vendor: remove e610 support

the L5 users point blank refuse to provide logs with any issue that they claim is showing up. If they don't want to help us, then we don't want to help them

Change-Id: I7f864467fda3cc0ace50f024d728d42957112367
Merge branch 'kk4.4' of https://github.com/SlimRoms/vendor_slim into kk4.4