Removed diff dates from rdiff files

mysql-test/suite/rpl/r/rpl_delayed_slave,parallel.rdiff

@@ -1,5 +1,5 @@
---- mysql-test/suite/rpl/r/rpl_delayed_slave.result	2016-10-14 21:14:02.338075590 +0200
-+++ mysql-test/suite/rpl/r/rpl_delayed_slave,parallel.reject	2016-10-14 21:17:51.296986686 +0200
+--- mysql-test/suite/rpl/r/rpl_delayed_slave.result
++++ mysql-test/suite/rpl/r/rpl_delayed_slave,parallel.reject
 @@ -45,7 +45,6 @@
  # wait for first query to execute
  # sleep 1*T

mysql-test/suite/rpl/r/rpl_insert_delayed,stmt.rdiff

@@ -1,5 +1,5 @@
---- suite/rpl/r/rpl_insert_delayed.result	2016-03-25 19:44:43.408210896 +0400
-+++ suite/rpl/r/rpl_insert_delayed,stmt.reject	2016-03-25 23:55:18.396360848 +0400
+--- suite/rpl/r/rpl_insert_delayed.result
++++ suite/rpl/r/rpl_insert_delayed,stmt.reject
 @@ -18,19 +18,19 @@
  insert delayed into t1 values(10, "my name");
  flush table t1;

mysql-test/suite/rpl/r/rpl_iodku,stmt.rdiff

@@ -1,5 +1,5 @@
---- r/rpl_iodku.result	2022-05-04 18:51:24.956414404 +0300
-+++ r/rpl_iodku,stmt.reject	2022-05-04 18:51:49.520106231 +0300
+--- r/rpl_iodku.result
++++ r/rpl_iodku,stmt.reject
 @@ -1,10 +1,15 @@
  include/master-slave.inc
  [connection master]

mysql-test/suite/rpl/r/rpl_row_big_table_id,32bit.rdiff

@@ -1,5 +1,5 @@
---- /home/my/maria-test/mysql-test/suite/rpl/r/rpl_row_big_table_id.result	2019-08-18 15:19:56.829962449 +0300
-+++ /home/my/maria-test/mysql-test/suite/rpl/r/rpl_row_big_table_id,32bit.reject	2019-08-18 15:20:19.253763968 +0300
+--- /home/my/maria-test/mysql-test/suite/rpl/r/rpl_row_big_table_id.result
++++ /home/my/maria-test/mysql-test/suite/rpl/r/rpl_row_big_table_id,32bit.reject
 @@ -20,22 +20,22 @@
  master-bin.000001	#	Query	1	#	use `test`; ALTER TABLE t comment ''
  master-bin.000001	#	Gtid	1	#	BEGIN GTID #-#-#