proprietary-files: Remove uneeded lib

Change-Id: I37dc4a6e07e3848c5a9202c50a4f1b2db5cc9a6a
proprietary-files: Commonize msm8960 and msm8960dt where possible

Change-Id: Iddfdb65e5d3f2fbed7eb4d2d65e6a4c3f55eda69
Move legacy GPS HAL to msm8960dt

  msm8960 will use prebuilts and msm8226 will use updated hal

Change-Id: I0c6f88ac6f0806ca19549e76a4d39c93ea67dc66