class SdrResId never used

[Rodolfo]

I discovered class SdrResId is never used...

$ git grep SdrResId
svx/inc/svx/svdglob.hxx:class SdrResId: ResId {
svx/inc/svx/svdglob.hxx:    SdrResId(sal_uInt16 nId): ResId(nId,*ImpGetResMgr())

same with opengrok:
http://opengrok.libreoffice.org/search?q=&project=core&defs=SdrResId&refs=&path=&hist=

Regards,
Rodolfo