Remove instruction to stop mysql before db restore

The database restore using the mysql client can not succeed if the mysql
service is not running. As a result the errant direction to stop the
mysql service before running the client command has been removed.

Change-Id: Idf75f40cb2b86948381bd4c08b2e492fe15a7e2e
Closes-Bug: #1252902
Merge "Remove instruction to stop mysql before db restore"