[INTERNAL] sap.m.Switch: remove the dependency to the SwitchRenderer class
[INTERNAL] sap.m.Switch: remove the dependency to the SwitchRenderer
class

Remove the implicit dependency to the SwitchRenderer class. This
dependency was introduced to get access to the static property
SwitchRenderer.CSS_CLASS, however this can be archived by using the
getRenderer() method of the control.

Change-Id: I59e473bdb6bdbc2e9f8451cf9982f975f41eb6f5

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