[INTERNAL] sap.m.ComboBox: Minor documentation correction
[INTERNAL] sap.m.ComboBox: Minor documentation correction

The documentation of the _getSuggestionsPopover() private getter was
incorrect. The method no longer creates suggestion popover.

Change-Id: I8be3b7792089f0b6408b4e2406eb869c6ab0cfc4

SAP/openui5,SAP/openui5,SAP/openui5,SAP/openui5