vcl: remaining Android build fixes

Commit c91feb2f (fix Android build,
2015-12-02) was the right direction, but probably was a blind fix, so do
the same at the remaining places as well.

Change-Id: I49637fbb9ab848de7c465724387a8676d2d98de0

vcl/source/filter/graphicfilter.cxx

@@ -2148,10 +2148,6 @@ sal_uInt16 GraphicFilter::ExportGraphic( const Graphic& rGraphic, const OUString
                     pFunc = eppGraphicExport;
                 else if (aFilterName == "eps")
                     pFunc = epsGraphicExport;
-                else if (aFilterName == "ept")
-                    pFunc = eptGraphicExport;
-                else if (aFilterName == "era")
-                    pFunc = eraGraphicExport;
                 else if (aFilterName == "eti")
                     pFunc = etiGraphicExport;
                 else if (aFilterName == "exp")