Fix missed directory change that isn't used anymore

dist/platforms/ubuntu/steps/return_license.sh

@@ -1,10 +1,5 @@
 #!/usr/bin/env bash
 
-# Run in ACTIVATE_LICENSE_PATH directory
-echo "Changing to \"$ACTIVATE_LICENSE_PATH\" directory."
-pushd "$ACTIVATE_LICENSE_PATH"
-
-
 if [[ -n "$UNITY_LICENSING_SERVER" ]]; then  #
   #
   # Return any floating license used.