Remove python pyc file when uninstall

Remove python pyc file when uninstall.

Change-Id: I383faf8fcfaeeb346c9ee38c1aad8577a460281e

DEBIAN/prerm.in

@@ -10,9 +10,15 @@ rm_ldconfig() {
   fi
 }
 
+rm_pyc() {
+ # remove pyc file generated by python
+ rm -rf @CPACK_PACKAGING_INSTALL_PREFIX@/rocm_smi/bin/__pycache__
+}
+
 case "$1" in
   ( remove | upgrade)
     rm_ldconfig
+    rm_pyc
   ;;
   ( purge )
   ;;