Revert "binder: Reserve caches for small, high-frequency memory allocations"

This reverts commit fab295b.

Author: DhineshCool

drivers/android/binder_alloc.c

@@ -76,22 +76,6 @@ void binder_buffer_pool_destroy(void)
 	kmem_cache_destroy(binder_buffer_pool);
 }
 
-static struct kmem_cache *binder_buffer_pool;
-
-int binder_buffer_pool_create(void)
-{
-	binder_buffer_pool = KMEM_CACHE(binder_buffer, SLAB_HWCACHE_ALIGN);
-	if (!binder_buffer_pool)
-		return -ENOMEM;
-
-	return 0;
-}
-
-void binder_buffer_pool_destroy(void)
-{
-	kmem_cache_destroy(binder_buffer_pool);
-}
-
 static struct binder_buffer *binder_buffer_next(struct binder_buffer *buffer)
 {
 	return list_entry(buffer->entry.next, struct binder_buffer, entry);