msm7x27a-common: remove libtilerenderer from build

libtilerenderer is now removed https://github.com/TeamHackLG/android_hardware_qcom_display-caf/commit/d25bfa3784b5d4961ffb4b2321b8dd8cd1108fd6

Change-Id: I424c617d38ff2999f09cc10253fca880926a8d13