Revert "libsepol: add memfd_class capability"

This reverts commit 70366a9 ("libsepol: add memfd_class capability").
The corresponding kernel patch was reverted from selinux/dev so we
need to follow suit in case the upstream policy capability number
changes upon upstream merge.

Signed-off-by: Stephen Smalley <[email protected]>

Author: stephensmalley

libsepol/include/sepol/policydb/polcaps.h

@@ -20,7 +20,6 @@ enum {
 	POLICYDB_CAP_NETIF_WILDCARD,
 	POLICYDB_CAP_GENFS_SECLABEL_WILDCARD,
 	POLICYDB_CAP_FUNCTIONFS_SECLABEL,
-	POLICYDB_CAP_MEMFD_CLASS,
 	__POLICYDB_CAP_MAX
 };
 #define POLICYDB_CAP_MAX (__POLICYDB_CAP_MAX - 1)

libsepol/src/polcaps.c

@@ -19,7 +19,6 @@ static const char * const polcap_names[POLICYDB_CAP_MAX + 1] = {
 	[POLICYDB_CAP_NETIF_WILDCARD]			= "netif_wildcard",
 	[POLICYDB_CAP_GENFS_SECLABEL_WILDCARD]		= "genfs_seclabel_wildcard",
 	[POLICYDB_CAP_FUNCTIONFS_SECLABEL]		= "functionfs_seclabel",
-	[POLICYDB_CAP_MEMFD_CLASS]			= "memfd_class",
 };
 
 int sepol_polcap_getnum(const char *name)