Fix cleanup failure in case of empty repo

In case if arch-dependent directory is absent the cleanup return
error code 1 and stop the build.
This fix allow to proceed further.
Removed unneeded debug commands.

Signed-off-by: Denis Pynkin <denis.pynkin@collabora.com>

update_test_binaries.sh

@@ -152,9 +152,7 @@ update_test_repository () {
 cleanup_test_repository () {
     local ARCH=$1
     [ -z "${ARCH}" ] && exit 1
-    pwd
-    ls -la .
-    [ -d "${TEST}/${ARCH}" ] && rm -rf "${TEST}/${ARCH}"
+    [ -d "${TEST}/${ARCH}" ] && rm -rf "${TEST}/${ARCH}" || :
 }
 
 commit_all () {