MAINTAINERS: remove hugetlb maintainer Mike Kravetz

I am stepping away from my role as hugetlb maintainer.  There should be no
gap in coverage as Muchun Song is also a hugetlb maintainer.

[akpm@linux-foundation.org: update CREDITS]
Link: https://lkml.kernel.org/r/20231220220843.73586-1-mike.kravetz@oracle.comSigned-off-by: Mike Kravetz <mike.kravetz@oracle.com>
Cc: Muchun Song <songmuchun@bytedance.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>

CREDITS

@@ -2126,6 +2126,10 @@ S: 2213 La Terrace Circle
 S: San Jose, CA 95123
 S: USA
 
+N: Mike Kravetz
+E: mike.kravetz@oracle.com
+D: Maintenance and development of the hugetlb subsystem
+
 N: Andreas S. Krebs
 E: akrebs@altavista.net
 D: CYPRESS CY82C693 chipset IDE, Digital's PC-Alpha 164SX boards

MAINTAINERS

@@ -9760,7 +9760,6 @@ F:	Documentation/networking/device_drivers/ethernet/huawei/hinic.rst
 F:	drivers/net/ethernet/huawei/hinic/
 
 HUGETLB SUBSYSTEM
-M:	Mike Kravetz <mike.kravetz@oracle.com>
 M:	Muchun Song <muchun.song@linux.dev>
 L:	linux-mm@kvack.org
 S:	Maintained