SDL: HAVE_OPENGL is defined by CMake on macOS

SDL Commits
1 
From 8b5a7ccc7689c60f9d664ace4abc459790d99d2b Mon Sep 17 00:00:00 2001
From: Sam Lantinga <[EMAIL REDACTED]>
Date: Fri, 25 Nov 2022 17:12:51 -0800
Subject: [PATCH] HAVE_OPENGL is defined by CMake on macOS

---
 test/testgl2.c | 4 ----
 1 file changed, 4 deletions(-)

diff --git a/test/testgl2.c b/test/testgl2.c
index 4f1f857aefab..146121653917 100644
--- a/test/testgl2.c
+++ b/test/testgl2.c
@@ -16,10 +16,6 @@
 
 #include "SDL_test_common.h"
 
-#ifdef __MACOS__
-#define HAVE_OPENGL
-#endif
-
 #ifdef HAVE_OPENGL
 
 #include "SDL_opengl.h"