[INTERNAL] sap.m.Page: remove unneeded code
[INTERNAL] sap.m.Page: remove unneeded code

Change-Id: Ie1be5b4d466138adde37fe1d288d004b68291962

SQCLabs/openui5,nzamani/openui5,SQCLabs/openui5,SQCLabs/openui5,cschuff/openui5,olirogers/openui5,olirogers/openui5,cschuff/openui5,SAP/openui5,cschuff/openui5,nzamani/openui5,SAP/openui5,nzamani/openui5,olirogers/openui5,SAP/openui5,SAP/openui5