chromium: Drop the libwebp include patch

Chromium 86.0.4240.75 builds fine without this patch. And since
WEBP_MAX_DIMENSION is the same in the system libwebp this patch should
not be required anymore (it was introduced in 06ec2a9f19, apparently to
fix the build).

pkgs/applications/networking/browsers/chromium/common.nix

@@ -154,7 +154,6 @@ let
       ++ optionals useOzone [ libdrm wayland mesa_drivers libxkbcommon ];
 
     patches = [
-      ./patches/remove-webp-include-69.patch
       ./patches/no-build-timestamps.patch
       ./patches/widevine-79.patch
       # Unfortunately, chromium regularly breaks on major updates and

pkgs/applications/networking/browsers/chromium/patches/remove-webp-include-69.patch

@@ -1,11 +0,0 @@
---- a/third_party/blink/renderer/platform/image-encoders/image_encoder.cc
-+++ b/third_party/blink/renderer/platform/image-encoders/image_encoder.cc
-@@ -13,7 +13,7 @@
-
- #include "jpeglib.h"  // for JPEG_MAX_DIMENSION
-
--#include "third_party/libwebp/src/webp/encode.h"  // for WEBP_MAX_DIMENSION
-+#define WEBP_MAX_DIMENSION 16383
-
- namespace blink {
-