Remove the file of the patch 'mariadb-scripts-setpermission.patch'

The patch stopped being applied during the rebase to 10.5.13 (commit #314d2bf), because it was upstreamed,
but I forgot to remove the patch file.

mariadb-scripts-setpermission.patch

@@ -1,30 +0,0 @@
-This patch fixes bug in mysql_setpermission perl script
-by adding conditionally port information to connections parameters.
-
-More information about this bug: https://bugzilla.redhat.com/show_bug.cgi?id=1976224
-
-This bug has been fixed in upstream.
-Patch can be removed when new version with fix is released.
-
-https://github.com/MariaDB/server/pull/1896
-
---- mariadb/scripts/mysql_setpermission_a.sh	2068-11-11 14:01:07.762595716 +0100
-+++ mariadb/scripts/mysql_setpermission.sh	2070-11-11 14:33:05.224012458 +0100
-@@ -105,11 +105,15 @@
- 
- if ($opt_socket and -S $opt_socket)
- {
--    $dsn .= "${prefix}_socket=$opt_socket";
-+  $dsn .= "${prefix}_socket=$opt_socket";
- }
- else
- {
--  $dsn .= "host=$sqlhost;port=$opt_port";
-+  $dsn .= "host=$sqlhost";
-+  if ($sqlhost ne "localhost")
-+  {
-+    $dsn .= ";port=$opt_port";
-+  }
- }
- 
- # make the connection to MariaDB