[INTERNAL] sap.m.MultiInput: Popover redundant methods removed
[INTERNAL] sap.m.MultiInput: Popover redundant methods removed

This is done as part of refactoring and removing redundant methods.

JIRA: BGSOFUIRILA-2806
Change-Id: Iec589b30a0020a33512ed45de8f4fe264149be3e

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