llimits.h being used by all Lua code

The definitions in llimits.h are useful not only for the core. That
header only defines types and '#define's, so libs and core still do
not share any real code/data.

lauxlib.h

@@ -168,21 +168,6 @@ LUALIB_API void (luaL_requiref) (lua_State *L, const char *modname,
 #define luaL_pushfail(L)	lua_pushnil(L)
 
 
-/*
-** Internal assertions for in-house debugging
-*/
-#if !defined(lua_assert)
-
-#if defined LUAI_ASSERT
-  #include <assert.h>
-  #define lua_assert(c)		assert(c)
-#else
-  #define lua_assert(c)		((void)0)
-#endif
-
-#endif
-
-
 
 /*
 ** {======================================================