shm: Remove unused/deprecated functions

(cherry picked from commit 6ecd6bf)

mem/shm_mem.c

@@ -211,53 +211,6 @@ void shm_event_raise(long used, long size, long perc)
 }
 #endif
 
-
-
-inline static void* sh_realloc(void* p, unsigned int size)
-{
-	void *r;
-
-	shm_lock(); 
-
-#ifndef HP_MALLOC
-	shm_free_unsafe(p);
-	r = shm_malloc_unsafe(size);
-#else
-	shm_free(p);
-	r = shm_malloc(size);
-#endif
-
-	shm_threshold_check();
-
-	shm_unlock(); 
-
-	return r;
-}
-
-/* look at a buffer if there is perhaps enough space for the new size
-    if so, we return current buffer again; otherwise, we free it,
-	allocate a new one and return it; no guarantee for buffer content;
-	if allocation fails, we return NULL
-*/
-
-#ifdef DBG_MALLOC
-void* _shm_resize( void* p, unsigned int s, const char* file, const char* func,
-							int line)
-#else
-void* _shm_resize( void* p , unsigned int s)
-#endif
-{
-	if (p==0) {
-		LM_DBG("resize(0) called\n");
-		return shm_malloc( s );
-	}
-
-	return sh_realloc( p, s );
-}
-
-
-
-
 /*
  * Allocates memory using mmap or sysv shmap
  *  - fd: a handler to a file descriptor pointing to a map file