HBASE-29619 Don't use Java 14+ style case statements in RestoreBackupSystemTableProcedure (#7336)

Signed-off-by: Dávid Paksy <paksyd@apache.org>
Signed-off-by: Duo Zhang <zhangduo@apache.org>
diff --git a/hbase-server/src/main/java/org/apache/hadoop/hbase/master/procedure/RestoreBackupSystemTableProcedure.java b/hbase-server/src/main/java/org/apache/hadoop/hbase/master/procedure/RestoreBackupSystemTableProcedure.java
index af980db..3a204d4 100644
--- a/hbase-server/src/main/java/org/apache/hadoop/hbase/master/procedure/RestoreBackupSystemTableProcedure.java
+++ b/hbase-server/src/main/java/org/apache/hadoop/hbase/master/procedure/RestoreBackupSystemTableProcedure.java
@@ -100,9 +100,11 @@
   protected void rollbackState(MasterProcedureEnv env, RestoreBackupSystemTableState state)
     throws IOException, InterruptedException {
     switch (state) {
-      case RESTORE_BACKUP_SYSTEM_TABLE_DISABLE, RESTORE_BACKUP_SYSTEM_TABLE_PREPARE:
+      case RESTORE_BACKUP_SYSTEM_TABLE_DISABLE:
+      case RESTORE_BACKUP_SYSTEM_TABLE_PREPARE:
         return;
-      case RESTORE_BACKUP_SYSTEM_TABLE_RESTORE, RESTORE_BACKUP_SYSTEM_TABLE_ENABLE:
+      case RESTORE_BACKUP_SYSTEM_TABLE_RESTORE:
+      case RESTORE_BACKUP_SYSTEM_TABLE_ENABLE:
         if (enableOnRollback) {
           addChildProcedure(createEnableTableProcedure(env));
         }