Revert of Support using OpenGL ES context on desktop

src/gpu/gl/unix/GrGLCreateNativeInterface_unix.cpp

Index: src/gpu/gl/unix/GrGLCreateNativeInterface_unix.cpp
diff --git a/src/gpu/gl/unix/GrGLCreateNativeInterface_unix.cpp b/src/gpu/gl/unix/GrGLCreateNativeInterface_unix.cpp
index 45be79386caf1c8913f8db2a3ee19d805f26219a..ddbfe5de294d693a16836bf72415c813fd80e980 100644
--- a/src/gpu/gl/unix/GrGLCreateNativeInterface_unix.cpp
+++ b/src/gpu/gl/unix/GrGLCreateNativeInterface_unix.cpp
@@ -8,19 +8,8 @@
 
 #include "gl/GrGLInterface.h"
 #include "gl/GrGLAssembleInterface.h"
-#include "gl/GrGLUtil.h"
 
 #include <GL/glx.h>
-
-#define GET_PROC(F) functions->f ## F = (GrGL ## F ## Proc) get(ctx, "gl" #F)
-#define GET_PROC_SUFFIX(F, S) functions->f ## F = (GrGL ## F ## Proc) get(ctx, "gl" #F #S)
-#define GET_PROC_LOCAL(F) GrGL ## F ## Proc F = (GrGL ## F ## Proc) get(ctx, "gl" #F)
-
-#define GET_LINKED GET_PROC
-#define GET_LINKED_SUFFIX GET_PROC_SUFFIX
-#define USE_LINKED 0
-
-#include "gl/GrGLAssembleGLESInterface.h"
 
 static GrGLFuncPtr glx_get(void* ctx, const char name[]) {
     SkASSERT(NULL == ctx);
@@ -32,14 +21,5 @@
     if (NULL == glXGetCurrentContext()) {
         return NULL;
     }
-
-    const char* verStr = reinterpret_cast<const char*>(glGetString(GR_GL_VERSION));
-    GrGLStandard standard = GrGLGetStandardInUseFromString(verStr);
-
-    if (kGLES_GrGLStandard == standard) {
-        return GrGLAssembleGLESInterface(NULL, glx_get);
-    } else if (kGL_GrGLStandard == standard) {
-        return GrGLAssembleGLInterface(NULL, glx_get);
-    }
-    return NULL;
+    return GrGLAssembleGLInterface(NULL, glx_get);
 }