mesa/main: delete now unused _mesa_little_endian

Reviewed-by: Eric Engestrom <eric@engestrom.ch>

src/mesa/main/imports.h

@@ -285,18 +285,6 @@ _mesa_logbase2(GLuint n)
 }
 
 
-/**
- * Return 1 if this is a little endian machine, 0 if big endian.
- */
-static inline GLboolean
-_mesa_little_endian(void)
-{
-   const GLuint ui = 1; /* intentionally not static */
-   return *((const GLubyte *) &ui);
-}
-
-
-
 /**********************************************************************
  * Functions
  */