build: remove downloaded pkg files after publish

packaging/publish/publish_both.sh

@@ -16,3 +16,5 @@ package_cloud push grafana/testing/el/7 grafana-${version}-1.x86_64.rpm
 
 package_cloud push grafana/stable/el/7 grafana-${version}-1.x86_64.rpm
 package_cloud push grafana/stable/el/6 grafana-${version}-1.x86_64.rpm
+
+rm grafana*.{deb,rpm}

packaging/publish/publish_testing.sh

@@ -12,3 +12,4 @@ wget https://s3-us-west-2.amazonaws.com/grafana-releases/release/grafana-${rpm_v
 package_cloud push grafana/testing/el/6 grafana-${rpm_ver}.x86_64.rpm
 package_cloud push grafana/testing/el/7 grafana-${rpm_ver}.x86_64.rpm
 
+rm grafana*.{deb,rpm}