removed unneccesary single quote in sed command

entrypoint.sh

@@ -9,7 +9,7 @@ EXISTS=$(grep -w -F $SELECTOR $HOST_FILE);
 if [ -n "$EXISTS" ]; then
 	# selector already exists in hosts file and SCALE is not in use
 	IP=$(echo $EXISTS | cut -d ' ' -f1);
-	sed "s/'$IP'/'$HOMEASSISTANT_IP'/g" $HOST_FILE > /tmp/hosts.local
+	sed "s/$IP/$HOMEASSISTANT_IP/g" $HOST_FILE > /tmp/hosts.local
 	mv /tmp/hosts.local $HOST_FILE;
 else
 	echo "'$HOMEASSISTANT_IP' '$SELECTOR'" >> $HOST_FILE