ocfs2_insert_type->ins_free_records was only used in one place, and was set
incorrectly in most places. We can free up some memory and lose some code by
removing this.

* Small warning fixup contributed by Andrew Mortom <akpm@linux-foundation.org>
Signed-off-by: NTao Mao <tao.ma@oracle.com>
Signed-off-by: NMark Fasheh <mark.fasheh@oracle.com>