QmlJsEditor: Remove qmljseditoractionhandler

The class is not used anywhere.

Change-Id: I9bce8416ee24d8b3d1d9696ce2dd894100ba04df
Reviewed-by: David Schulz <david.schulz@digia.com>
Remove glsleditoractionhandler

The class is used nowhere.

Change-Id: I6676208aa3bc0e212d18ed71ec858e8969cf0832
Reviewed-by: David Schulz <david.schulz@digia.com>