mm/slub: remove duplicate initialization for early_kmem_cache_node_alloc()

mm/slub: remove duplicate initialization for early_kmem_cache_node_alloc()

The struct track for every object in a new slab is already set up by
new_slab(), so remove the duplicate initialization in
early_kmem_cache_node_alloc().

Co-developed-by: Hyunmin Lee <hyunminlr@gmail.com>
Signed-off-by: Hyunmin Lee <hyunminlr@gmail.com>
Co-developed-by: Jeungwoo Yoo <casionwoo@gmail.com>
Signed-off-by: Jeungwoo Yoo <casionwoo@gmail.com>
Signed-off-by: Sangyun Kim <sangyun.kim@snu.ac.kr>
Cc: Gwan-gyeong Mun <gwan-gyeong.mun@intel.com>
Signed-off-by: Vlastimil Babka <vbabka@suse.cz>