Remove another compile-time ifdef

gfx/drivers_context/cocoa_gl_ctx.m

@@ -524,11 +524,9 @@ static gfx_ctx_proc_t cocoagl_gfx_ctx_get_proc_address(const char *symbol_name)
 {
    return (gfx_ctx_proc_t)CFBundleGetFunctionPointerForName(CFBundleGetBundleWithIdentifier(GLFrameworkID),
    (
-#if MAC_OS_X_VERSION_10_7
 #if __has_feature(objc_arc)
          __bridge
 #endif
-#endif
 CFStringRef)BOXSTRING(symbol_name)
          );
 }