Revert "Add GL prototypes patch"

This reverts commit c2dad176d5.

I tested this on x86_64, but apparently the build failure it attempts to
fix does not occur on this platform.

glext-prototypes.patch

@@ -1,13 +0,0 @@
-diff --git a/Source/WebCore/platform/graphics/OpenGLShims.h b/Source/WebCore/platform/graphics/OpenGLShims.h
-index 7b194b2a6c26..f0feb6bb1886 100644
---- a/Source/WebCore/platform/graphics/OpenGLShims.h
-+++ b/Source/WebCore/platform/graphics/OpenGLShims.h
-@@ -20,6 +20,8 @@
- #ifndef OpenGLShims_h
- #define OpenGLShims_h
- 
-+#define GL_GLEXT_PROTOTYPES 1
-+
- #if OS(WINDOWS)
- #include <GL/gl.h>
- #include <GLES2/gl2.h>

webkitgtk.spec

@@ -29,9 +29,6 @@ Source1:        https://webkitgtk.org/releases/webkitgtk-%{version}.tar.xz.asc
 # $ gpg --export --export-options export-minimal D7FCF61CF9A2DEAB31D81BD3F3D322D0EC4582C3 5AA3BC334FD7E3369E7C77B291C559DBE4C9123B > webkitgtk-keys.gpg
 Source2:        webkitgtk-keys.gpg
 
-# https://bugs.webkit.org/show_bug.cgi?id=248032
-Patch0:         glext-prototypes.patch
-
 BuildRequires:  bison
 BuildRequires:  bubblewrap
 BuildRequires:  cmake