prosody: remove no longer needed patch

prosody/Dockerfile

@@ -44,9 +44,7 @@ RUN \
     && apt-cleanup \
     && rm -rf /tmp/pkg /var/cache/apt
 
-RUN \
-    sed -i s/hook/hook_global/g /prosody-plugins/mod_auth_token.lua \
-    && patch -d /usr/lib/prosody/modules/muc -p0 < /prosody-plugins/muc_owner_allow_kick.patch
+RUN patch -d /usr/lib/prosody/modules/muc -p0 < /prosody-plugins/muc_owner_allow_kick.patch
 
 COPY rootfs/ /