egl/main: drop the declaration of PUBLIC keyword.

Should no longer be used. As many places indirectly include
eglcompiler.h keep this change separate, so that it can be easily
reverted, if needed.

Signed-off-by: Emil Velikov <emil.l.velikov@gmail.com>
Reviewed-by: Matt Turner <mattst88@gmail.com>
Reviewed-by: Brian Paul <brianp@vmware.com>

src/egl/main/eglcompiler.h

@@ -62,20 +62,6 @@
 #  include <stdint.h>
 #endif
 
-
-/**
- * Function visibility
- */
-#ifndef PUBLIC
-#  if defined(__GNUC__) || (defined(__SUNPRO_C) && (__SUNPRO_C >= 0x590))
-#    define PUBLIC __attribute__((visibility("default")))
-#  elif defined(_MSC_VER)
-#    define PUBLIC __declspec(dllexport)
-#  else
-#    define PUBLIC
-#  endif
-#endif
-
 #define STATIC_ASSERT(COND) \
    do { \
       (void) sizeof(char [1 - 2*!(COND)]); \