Remove old profanity package if it is present

src/freedombone-app-xmpp

@@ -200,6 +200,10 @@ function upgrade_xmpp {
     systemctl restart prosody
 
     # update profanity client
+    if [ -f /usr/bin/profanity ]; then
+        apt-get -y remove --purge profanity
+    fi
+
     function_check set_repo_commit
     set_repo_commit $INSTALL_DIR/libmesode "libmesode commit" "$LIBMESODE_COMMIT" $LIBMESODE_REPO
     cd $INSTALL_DIR/libmesode