[swssconfig]: Remove deprecated qos buffer configurations (#726)

These files are moved to sonic-buildimage repository under device folder.

Author: Shuotian Cheng

debian/swss.install

@@ -1,9 +1,3 @@
 swssconfig/sample/netbouncer.json etc/swss/config.d
 swssconfig/sample/00-copp.config.json etc/swss/config.d
-swssconfig/sample/td2.32ports.buffers.json etc/swss/config.d
-swssconfig/sample/td2.32ports.qos.json etc/swss/config.d
-swssconfig/sample/th.64ports.buffers.json etc/swss/config.d
-swssconfig/sample/th.64ports.qos.json etc/swss/config.d
-swssconfig/sample/th2.118ports.buffers.json etc/swss/config.d
-swssconfig/sample/th2.118ports.qos.json etc/swss/config.d
 neighsyncd/restore_neighbors.py usr/bin