presto: fix path to vendor repo.

In the repository android_device_pantech_qcom-common, does not include the path correctly.

Change-Id: I4ba79d12a75574fb5a13243cdeb55ddbc9d4290e
presto: move props to qcom-common

These files are deleted because they are already in the repository vendor_pantech_qcom-common:
 - etc/firmware/leia_pfp_470.fw
 - etc/firmware/leia_pm4_470.fw
 - etc/firmware/yamato_pfp.fw
 - etc/firmware/yamato_pm4.fw

Change-Id: I71b260e6235658c82d035883f2fae40954b6a972