maple_tree: remove mas_destroy() from mas_nomem()

maple_tree: remove mas_destroy() from mas_nomem()

Separate call to mas_destroy() from mas_nomem() so we can check for no
memory errors without destroying the current maple state in
mas_store_gfp().  We then add calls to mas_destroy() to callers of
mas_nomem().

Link: https://lkml.kernel.org/r/20240814161944.55347-6-sidhartha.kumar@oracle.com
Signed-off-by: Sidhartha Kumar <sidhartha.kumar@oracle.com>
Reviewed-by: Liam R. Howlett <Liam.Howlett@oracle.com>
Cc: Matthew Wilcox (Oracle) <willy@infradead.org>
Cc: Suren Baghdasaryan <surenb@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>