Remove patch already applied in CERN's repo

.s2i/bin/assemble

@@ -11,10 +11,6 @@ sed -ri \
     -e '/The configured LOGERRORFILE can not be modified./ s/^.*$/true;/' \
     ./lib/core/zpush.php
 
-# Workaround to make calendars actually writable
-echo "Applying patches"
-patch -p2 < 01_fix_caldav_events.patch
-
 echo "Assembling"
 /usr/libexec/s2i/assemble
 

patches/01_fix_caldav_events.patch

-From 19f32af87b32e5c171d2bfa767717767e26e4a07 Mon Sep 17 00:00:00 2001
-From: Giacomo Tenaglia <Giacomo.Tenaglia@cern.ch>
-Date: Wed, 9 Dec 2020 15:51:04 +0100
-Subject: [PATCH] CalDAV: add missing DESCRIPTION for VALARM of ACTION:DISPLAY
-
----
- src/backend/caldav/caldav.php | 2 ++
- 1 file changed, 2 insertions(+)
-
-diff --git a/src/backend/caldav/caldav.php b/src/backend/caldav/caldav.php
-index feeb3543..f782badb 100644
---- a/src/backend/caldav/caldav.php
-+++ b/src/backend/caldav/caldav.php
-@@ -1227,6 +1227,7 @@ class BackendCalDAV extends BackendDiff {
-         if (isset($data->reminder)) {
-             $valarm = $vcal->createComponent('VALARM');
-             $valarm->add('ACTION', "DISPLAY");
-+            $valarm->add('DESCRIPTION', 'Default Z-Push description');
-             $valarm->add('TRIGGER', "-PT".$data->reminder."M", ['RELATED' => "START"]);
-             $vevent->add($valarm);
-         }
-@@ -1632,6 +1633,7 @@ class BackendCalDAV extends BackendDiff {
-         if ($data->reminderset && $data->remindertime) {
-             $valarm = $vcal->createComponent('VALARM');
-             $valarm->add('ACTION', "DISPLAY");
-+            $valarm->add('DESCRIPTION', 'Default Z-Push description');
-             $valarm->add('TRIGGER', gmdate("Ymd\THis\Z", $data->remindertime), ['VALUE' => "DATE-TIME"]);
-             $vtodo->add($valarm);
-         }
--- 
-2.29.2
-