unused GenericSalLayout::GetTextRect()

is removed here: 449d272d

Change-Id: I2c49d39c5e596f4462d3c29a215c715d9927cf6f
Reviewed-on: https://gerrit.libreoffice.org/20448Reviewed-by: Samuel Mehrbrodt <Samuel.Mehrbrodt@cib.de>
Tested-by: Samuel Mehrbrodt <Samuel.Mehrbrodt@cib.de>

unusedcode.easy

 BigInt::BigInt(unsigned int)
 BitmapFilterStackBlur::filter(BitmapEx&)
 FontCharMap::GetDefaultMap(bool)
-GenericSalLayout::GetTextRect() const
 NotifyEvent::NotifyEvent()
 OpenGLContext::init(_XDisplay*, unsigned long, unsigned int, unsigned int, int)
 OpenGLContext::renderToFile()