SELinux: remove inherit field from inode_security_struct

Remove inherit field from inode_security_struct, per Stephen Smalley:
"Let's just drop inherit altogether - dead field."

Signed-off-by: James Morris <jmorris@namei.org>
diff --git a/security/selinux/include/objsec.h b/security/selinux/include/objsec.h
index 5f0be19..91070ab 100644
--- a/security/selinux/include/objsec.h
+++ b/security/selinux/include/objsec.h
@@ -43,7 +43,6 @@
 	u32 sid;		/* SID of this object */
 	u16 sclass;		/* security class of this object */
 	unsigned char initialized;	/* initialization flag */
-	unsigned char inherit;	/* inherit SID from parent entry */
 	struct mutex lock;
 };