Remove WebRtcSpl_ScaleAndAddVectorsWithRoundNeon

This function isn't used anymore. The file and header are also removed.

BUG=4002,3273
R=andrew@webrtc.org

Change-Id: I4b65dec57e6adc2ac2253031501f3b6de6937fac

Review URL: https://webrtc-codereview.appspot.com/35519004

Patch from Yang Zhang <yang.zhang@arm.com>.

git-svn-id: http://webrtc.googlecode.com/svn/trunk/webrtc@8019 4adac7df-926f-26a2-2b94-8c16560cd09d
4 files changed