FIX: Remove environment print for security (#55)

* As 'env' prints the entire environment this is a route to accidentally
  leak secrets into public logs. While GitHub properly screens secrets
  it would be better to not provide a chance for something to go wrong.

cmd.sh

@@ -67,9 +67,6 @@ micromamba activate upload-nightly-action
 # trim trailing slashes from $INPUT_ARTIFACTS_PATH
 INPUT_ARTIFACTS_PATH="${INPUT_ARTIFACTS_PATH%/}"
 
-# debug, print env
-env
-
 # upload wheels
 echo "Uploading wheels to anaconda.org..."