Remove unneeded master access revoke command.

Revoking master access currently simply means to revoke access
to the default keyring.

headers/private/app/KeyStoreDefs.h

@@ -37,7 +37,6 @@ enum {
 	KEY_STORE_GET_NEXT_MASTER_KEYRING		= 'KnrM',
 	KEY_STORE_IS_KEYRING_ACCESSIBLE			= 'KiaR',
 	KEY_STORE_REVOKE_ACCESS					= 'KvaR',
-	KEY_STORE_REVOKE_MASTER_ACCESS			= 'KvaM',
 	KEY_STORE_GET_NEXT_APPLICATION			= 'KnKA',
 	KEY_STORE_REMOVE_APPLICATION			= 'KrKA',
 };

src/kits/app/KeyStore.cpp

@@ -328,8 +328,7 @@ BKeyStore::RevokeAccess(const char* keyring)
 status_t
 BKeyStore::RevokeMasterAccess()
 {
-	BMessage message(KEY_STORE_REVOKE_MASTER_ACCESS);
-	return _SendKeyMessage(message, NULL);
+	return RevokeAccess(NULL);
 }