Remove some unused includes of cfx_font.cpp

In particular, remove scoped_font_transform.h, which uses FreeType.

Bug: 42271048
Change-Id: If94117e9d7e91dc7a8137840f8fd0994dcd478f4
Reviewed-on: https://pdfium-review.googlesource.com/c/pdfium/+/139070
Auto-Submit: Lei Zhang <thestig@chromium.org>
Reviewed-by: Tom Sepez <tsepez@chromium.org>
Commit-Queue: Lei Zhang <thestig@chromium.org>

core/fxge/cfx_font.cpp

diff --git a/core/fxge/cfx_font.cpp b/core/fxge/cfx_font.cpp
index f760ec4..7fdad05 100644
--- a/core/fxge/cfx_font.cpp
+++ b/core/fxge/cfx_font.cpp
@@ -14,11 +14,9 @@
 #include <utility>
 
 #include "build/build_config.h"
-#include "core/fxcrt/check.h"
 #include "core/fxcrt/data_vector.h"
 #include "core/fxcrt/fx_codepage.h"
 #include "core/fxcrt/fx_stream.h"
-#include "core/fxcrt/numerics/safe_conversions.h"
 #include "core/fxcrt/span.h"
 #include "core/fxcrt/unowned_ptr.h"
 #include "core/fxge/cfx_face.h"
@@ -30,7 +28,6 @@
 #include "core/fxge/cfx_path.h"
 #include "core/fxge/cfx_substfont.h"
 #include "core/fxge/fx_font.h"
-#include "core/fxge/scoped_font_transform.h"
 
 namespace {