Delete owncloud progress

src/freedombone

     echo $'Starting upgrade of Owncloud'
 
     # remove any owncloud entries from completion
-    sed -i '/install_owncloud.*/d' $COMPLETION_FILE
-    sed -i '/owncloud.*/d' $COMPLETION_FILE
+    sed -i '/install_owncloud/d' $COMPLETION_FILE
+    sed -i '/owncloud/d' $COMPLETION_FILE
+    sed -i '/Owncloud/d' $COMPLETION_FILE
 
     # create directories
     if [ ! -d $OWNCLOUD_UPGRADE_PATH/data ]; then