Debugger: Move more RunControl setup to factory

Reasons mentioning S60DebugControl do not apply anymore.

Change-Id: Id7686ab90f2c25492685eb655403ed369bf99ee4
Reviewed-by: Christian Stenger <christian.stenger@digia.com>
Debugger: Remove DebuggerRunControl::runConfiguration

This needlessly duplicates parts of the base class.

Change-Id: I2070cdfeb389cf90554eaa597c716d1049186be5
Reviewed-by: Christian Stenger <christian.stenger@digia.com>