Drop support for "pdf_use_skia_paths_override"

Drops support for the "pdf_use_skia_paths_override" build override, by
defaulting the "pdf_use_skia_paths" arg to false instead.

Chromium's copy can be removed after the next roll with this change.

Bug: pdfium:1941
Change-Id: I7a4298aca1322c15c507ccec881b437c3722dbe8
Reviewed-on: https://pdfium-review.googlesource.com/c/pdfium/+/101751
Reviewed-by: Nigi <nigi@chromium.org>
Auto-Submit: K. Moon <kmoon@chromium.org>
Commit-Queue: K. Moon <kmoon@chromium.org>
diff --git a/build_overrides/pdfium.gni b/build_overrides/pdfium.gni
index f16ac0b..b7dc9e0 100644
--- a/build_overrides/pdfium.gni
+++ b/build_overrides/pdfium.gni
@@ -25,11 +25,5 @@
 # Build PDFium to use Skia (experimental) for all PDFium graphics.
 # If enabled, coexists in build with AGG graphics and the default
 # renderer is selectable at runtime.
-# The default is to use AGG when both `pdf_use_skia_override` and
-# `pdf_use_skia_paths_override` are set to their defaults of false.
+# The default is to use AGG only when `pdf_use_skia_override` is false.
 pdf_use_skia_override = false
-
-# Build PDFium against skia (experimental) rather than agg, adding only path
-# support.
-# Default: Use agg.
-pdf_use_skia_paths_override = false
diff --git a/pdfium.gni b/pdfium.gni
index 2025929..83864b6 100644
--- a/pdfium.gni
+++ b/pdfium.gni
@@ -46,7 +46,8 @@
 
   # Build PDFium against Skia (experimental) rather than AGG. Use Skia to draw
   # paths.
-  pdf_use_skia_paths = pdf_use_skia_paths_override
+  # TODO(crbug.com/pdfium/1941): Remove all support for this.
+  pdf_use_skia_paths = false
 
   # Build PDFium standalone
   pdf_is_standalone = false