Fix minor statusbar issues (#597)

* Fix: Remove trailing space from battery

* Unify spacing in disk

* Fix news

Don't display news module when there are no news.

* Use grep -F in pacpackages

* Fix torrent

Remove trailing whitespace *after* replacing newlines.

* Quote sed command

.local/bin/statusbar/torrent

@@ -14,7 +14,7 @@ transmission-remote -l | grep % |
 				s/L/🔼/g;
 				s/M/🔽/g;
 				s/N/✅/g;
-				s/Z/🌱/g" | awk '{print $2, $1}' | sed -e "s/ $//g" | tr '\n' ' '
+				s/Z/🌱/g" | awk '{print $2, $1}' | tr '\n' ' ' | sed 's/ $//'
 
 case $BLOCK_BUTTON in
     1) $TERMINAL -e tremc ;;