Revert "Implement sending location messages"

This reverts commit f3a04635cf

src/neochatroom.h

@@ -901,13 +901,4 @@ public Q_SLOTS:
      * This will delete all messages by that user in this room that are currently loaded.
      */
     void deleteMessagesByUser(const QString &user, const QString &reason);
-
-    /**
-     *  @brief Sends a location to a room
-     *  The event is sent in the migration format as specified in MSC3488
-     * @param lat latitude
-     * @param lon longitude
-     * @param description description for the location
-     */
-    void sendLocation(float lat, float lon, const QString &description);
 };