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diff --git a/Build/source/libs/harfbuzz/harfbuzz-src/src/hb-ot-metrics.h b/Build/source/libs/harfbuzz/harfbuzz-src/src/hb-ot-metrics.h
deleted file mode 100644
index 42c7363c038..00000000000
--- a/Build/source/libs/harfbuzz/harfbuzz-src/src/hb-ot-metrics.h
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@@ -1,122 +0,0 @@
-/*
- * Copyright © 2018 Ebrahim Byagowi
- *
- * This is part of HarfBuzz, a text shaping library.
- *
- * Permission is hereby granted, without written agreement and without
- * license or royalty fees, to use, copy, modify, and distribute this
- * software and its documentation for any purpose, provided that the
- * above copyright notice and the following two paragraphs appear in
- * all copies of this software.
- *
- * IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR
- * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
- * ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN
- * IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH
- * DAMAGE.
- *
- * THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING,
- * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
- * FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS
- * ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO
- * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
- */
-
-#ifndef HB_OT_H_IN
-#error "Include <hb-ot.h> instead."
-#endif
-
-#ifndef HB_OT_METRICS_H
-#define HB_OT_METRICS_H
-
-#include "hb.h"
-#include "hb-ot-name.h"
-
-HB_BEGIN_DECLS
-
-
-/**
- * hb_ot_metrics_tag_t:
- * @HB_OT_METRICS_TAG_HORIZONTAL_ASCENDER: horizontal ascender.
- * @HB_OT_METRICS_TAG_HORIZONTAL_DESCENDER: horizontal descender.
- * @HB_OT_METRICS_TAG_HORIZONTAL_LINE_GAP: horizontal line gap.
- * @HB_OT_METRICS_TAG_HORIZONTAL_CLIPPING_ASCENT: horizontal clipping ascent.
- * @HB_OT_METRICS_TAG_HORIZONTAL_CLIPPING_DESCENT: horizontal clipping descent.
- * @HB_OT_METRICS_TAG_VERTICAL_ASCENDER: vertical ascender.
- * @HB_OT_METRICS_TAG_VERTICAL_DESCENDER: vertical descender.
- * @HB_OT_METRICS_TAG_VERTICAL_LINE_GAP: vertical line gap.
- * @HB_OT_METRICS_TAG_HORIZONTAL_CARET_RISE: horizontal caret rise.
- * @HB_OT_METRICS_TAG_HORIZONTAL_CARET_RUN: horizontal caret run.
- * @HB_OT_METRICS_TAG_HORIZONTAL_CARET_OFFSET: horizontal caret offset.
- * @HB_OT_METRICS_TAG_VERTICAL_CARET_RISE: vertical caret rise.
- * @HB_OT_METRICS_TAG_VERTICAL_CARET_RUN: vertical caret run.
- * @HB_OT_METRICS_TAG_VERTICAL_CARET_OFFSET: vertical caret offset.
- * @HB_OT_METRICS_TAG_X_HEIGHT: x height.
- * @HB_OT_METRICS_TAG_CAP_HEIGHT: cap height.
- * @HB_OT_METRICS_TAG_SUBSCRIPT_EM_X_SIZE: subscript em x size.
- * @HB_OT_METRICS_TAG_SUBSCRIPT_EM_Y_SIZE: subscript em y size.
- * @HB_OT_METRICS_TAG_SUBSCRIPT_EM_X_OFFSET: subscript em x offset.
- * @HB_OT_METRICS_TAG_SUBSCRIPT_EM_Y_OFFSET: subscript em y offset.
- * @HB_OT_METRICS_TAG_SUPERSCRIPT_EM_X_SIZE: superscript em x size.
- * @HB_OT_METRICS_TAG_SUPERSCRIPT_EM_Y_SIZE: superscript em y size.
- * @HB_OT_METRICS_TAG_SUPERSCRIPT_EM_X_OFFSET: superscript em x offset.
- * @HB_OT_METRICS_TAG_SUPERSCRIPT_EM_Y_OFFSET: superscript em y offset.
- * @HB_OT_METRICS_TAG_STRIKEOUT_SIZE: strikeout size.
- * @HB_OT_METRICS_TAG_STRIKEOUT_OFFSET: strikeout offset.
- * @HB_OT_METRICS_TAG_UNDERLINE_SIZE: underline size.
- * @HB_OT_METRICS_TAG_UNDERLINE_OFFSET: underline offset.
- *
- * From https://docs.microsoft.com/en-us/typography/opentype/spec/mvar#value-tags
- *
- * Since: 2.6.0
- **/
-typedef enum {
- HB_OT_METRICS_TAG_HORIZONTAL_ASCENDER = HB_TAG ('h','a','s','c'),
- HB_OT_METRICS_TAG_HORIZONTAL_DESCENDER = HB_TAG ('h','d','s','c'),
- HB_OT_METRICS_TAG_HORIZONTAL_LINE_GAP = HB_TAG ('h','l','g','p'),
- HB_OT_METRICS_TAG_HORIZONTAL_CLIPPING_ASCENT = HB_TAG ('h','c','l','a'),
- HB_OT_METRICS_TAG_HORIZONTAL_CLIPPING_DESCENT = HB_TAG ('h','c','l','d'),
- HB_OT_METRICS_TAG_VERTICAL_ASCENDER = HB_TAG ('v','a','s','c'),
- HB_OT_METRICS_TAG_VERTICAL_DESCENDER = HB_TAG ('v','d','s','c'),
- HB_OT_METRICS_TAG_VERTICAL_LINE_GAP = HB_TAG ('v','l','g','p'),
- HB_OT_METRICS_TAG_HORIZONTAL_CARET_RISE = HB_TAG ('h','c','r','s'),
- HB_OT_METRICS_TAG_HORIZONTAL_CARET_RUN = HB_TAG ('h','c','r','n'),
- HB_OT_METRICS_TAG_HORIZONTAL_CARET_OFFSET = HB_TAG ('h','c','o','f'),
- HB_OT_METRICS_TAG_VERTICAL_CARET_RISE = HB_TAG ('v','c','r','s'),
- HB_OT_METRICS_TAG_VERTICAL_CARET_RUN = HB_TAG ('v','c','r','n'),
- HB_OT_METRICS_TAG_VERTICAL_CARET_OFFSET = HB_TAG ('v','c','o','f'),
- HB_OT_METRICS_TAG_X_HEIGHT = HB_TAG ('x','h','g','t'),
- HB_OT_METRICS_TAG_CAP_HEIGHT = HB_TAG ('c','p','h','t'),
- HB_OT_METRICS_TAG_SUBSCRIPT_EM_X_SIZE = HB_TAG ('s','b','x','s'),
- HB_OT_METRICS_TAG_SUBSCRIPT_EM_Y_SIZE = HB_TAG ('s','b','y','s'),
- HB_OT_METRICS_TAG_SUBSCRIPT_EM_X_OFFSET = HB_TAG ('s','b','x','o'),
- HB_OT_METRICS_TAG_SUBSCRIPT_EM_Y_OFFSET = HB_TAG ('s','b','y','o'),
- HB_OT_METRICS_TAG_SUPERSCRIPT_EM_X_SIZE = HB_TAG ('s','p','x','s'),
- HB_OT_METRICS_TAG_SUPERSCRIPT_EM_Y_SIZE = HB_TAG ('s','p','y','s'),
- HB_OT_METRICS_TAG_SUPERSCRIPT_EM_X_OFFSET = HB_TAG ('s','p','x','o'),
- HB_OT_METRICS_TAG_SUPERSCRIPT_EM_Y_OFFSET = HB_TAG ('s','p','y','o'),
- HB_OT_METRICS_TAG_STRIKEOUT_SIZE = HB_TAG ('s','t','r','s'),
- HB_OT_METRICS_TAG_STRIKEOUT_OFFSET = HB_TAG ('s','t','r','o'),
- HB_OT_METRICS_TAG_UNDERLINE_SIZE = HB_TAG ('u','n','d','s'),
- HB_OT_METRICS_TAG_UNDERLINE_OFFSET = HB_TAG ('u','n','d','o'),
-
- _HB_OT_METRICS_TAG_MAX_VALUE = HB_TAG_MAX_SIGNED /*< skip >*/
-} hb_ot_metrics_tag_t;
-
-HB_EXTERN hb_bool_t
-hb_ot_metrics_get_position (hb_font_t *font,
- hb_ot_metrics_tag_t metrics_tag,
- hb_position_t *position /* OUT. May be NULL. */);
-
-HB_EXTERN float
-hb_ot_metrics_get_variation (hb_font_t *font, hb_ot_metrics_tag_t metrics_tag);
-
-HB_EXTERN hb_position_t
-hb_ot_metrics_get_x_variation (hb_font_t *font, hb_ot_metrics_tag_t metrics_tag);
-
-HB_EXTERN hb_position_t
-hb_ot_metrics_get_y_variation (hb_font_t *font, hb_ot_metrics_tag_t metrics_tag);
-
-HB_END_DECLS
-
-#endif /* HB_OT_METRICS_H */