[etherpad-web/oscp-backend] Drop ep_set_title_on_pad

[Bartłomiej Piotrowski <bpiotrowski src gnome org>]

commit 3f89a63e0a382812ef679e1fdc0deeec84871946
Author: Bartłomiej Piotrowski <bpiotrowski gnome org>
Date:   Sat Sep 12 18:43:57 2020 +0200

    Drop ep_set_title_on_pad

 Dockerfile | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)
---
diff --git a/Dockerfile b/Dockerfile
index 5ee5702..a993b71 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -30,8 +30,7 @@ RUN npm install ep_adminpads \
     ep_spellcheck \
     ep_headings2 \
     ep_font_color \
-    ep_markdown \
-    ep_set_title_on_pad
+    ep_markdown
 
 USER etherpad
 EXPOSE 9001