Remove code no longer used by telephony

This code was previously used by telephony
but was removed by frameworks/opt/telephony
commit a0f09cee0f6328ea104b9ef965a387b4a4652e8a

Bug: 63743683
Test: make droid
Change-Id: I83deffc2aadc098e1c976bf164a752e19b96c77a
1 file changed