Replaced manual retrieval of remote version with function call

install-discord-linux.sh

@@ -141,7 +141,7 @@ else
 	ACTION=INSTALL
 fi
 
-REMOTE_VERSION=`curl $DOWNLOAD_URL | grep -Eo $VERSION_REGEX | head -n 1`
+REMOTE_VERSION=`get_remote_version`
 
 # END: Pre-Work Check