fix: remove print user info

[anayeaye]

What

Do print informative statement if env variables are missing but do not print values

How Tested

>>> stage="production"
>>> username_env=None
>>> password_env="pants"                                                                                                   
>>> print(f"Missing one or more environment variables: stage undefined={stage==None}, username undefined={username_env==None}, password undefined={password_env==None}")

Missing one or more environment variables: stage undefined=False, username undefined=True, password undefined=False