[gtk/win32-check-shader-support] GDK-Win32: Remove check for shader support in GLES

[Chun-wei Fan <fanchunwei src gnome org>]

commit 28075f86b1219aa8c5b787435fd817271379b682
Author: Chun-wei Fan <fanchunwei src gnome org>
Date:   Tue Aug 17 16:11:07 2021 +0800

    GDK-Win32: Remove check for shader support in GLES
    
    We are forcing the use of OpenGL/ES 3.0 anyways, and thus we should definitely
    have shader support, so drop the check as it's not necessary.

 gdk/win32/gdkglcontext-win32-egl.c | 16 ----------------
 1 file changed, 16 deletions(-)
---
diff --git a/gdk/win32/gdkglcontext-win32-egl.c b/gdk/win32/gdkglcontext-win32-egl.c
index 338f81ff70..cfc4417a9a 100644
--- a/gdk/win32/gdkglcontext-win32-egl.c
+++ b/gdk/win32/gdkglcontext-win32-egl.c
@@ -279,22 +279,6 @@ gdk_win32_display_init_egl (GdkDisplay  *display,
 
   eglBindAPI (EGL_OPENGL_ES_API);
 
-  /* We must have OpenGL/ES 2.0 or later, or have the GL_ARB_shader_objects extension */
-  if (display_win32->egl_version < 20)
-    {
-      if (!epoxy_has_egl_extension (egl_disp, "GL_ARB_shader_objects"))
-        {
-          eglTerminate (egl_disp);
-          egl_disp = EGL_NO_DISPLAY;
-
-          g_set_error_literal (error, GDK_GL_ERROR,
-                               GDK_GL_ERROR_NOT_AVAILABLE,
-                               _("No GL implementation is available"));
-
-          return FALSE;
-        }
-    }
-
   display_win32->hasEglSurfacelessContext =
     epoxy_has_egl_extension (egl_disp, "EGL_KHR_surfaceless_context");