msm8976-common: Remove device/qcom/common from lineage.dependencies

* We aren't building power.$(TARGET_BOARD_PLATFORM)
  therefore there's no reason to sync this repository.

Change-Id: Icc2cff368c05ed3bf68e4c718dbcbcdab42244da

lineage.dependencies

@@ -1,8 +1,4 @@
 [
-  {
-    "repository": "android_device_qcom_common",
-    "target_path": "device/qcom/common"
-  },
   {
     "repository": "android_kernel_samsung_msm8976",
     "target_path": "kernel/samsung/msm8976"