chore: ignore .env, remove some obsolete

.gitignore

@@ -3,9 +3,6 @@ __pycache__/
 *.py[cod]
 *$py.class
 
-# C extensions
-*.so
-
 # Distribution / packaging
 .Python
 env/
@@ -29,10 +26,6 @@ var/
 *.manifest
 *.spec
 
-# Installer logs
-pip-log.txt
-pip-delete-this-directory.txt
-
 # Unit test / coverage reports
 htmlcov/
 .tox/
@@ -50,25 +43,21 @@ venv/
 *.mo
 *.pot
 
-# Django stuff:
-*.log
-
 # Sphinx documentation
 docs/_build/
 
 # PyBuilder
 target/
 
-#Ipython Notebook
-.ipynb_checkpoints
-
 # VirtualEnv
 python
 
 #Testing
 .noseids
 
-# Configurations
+# Configuration
+.env
+docker.env
 /config/engine-api.ini
 /config/engine-api.docker.ini
 /config/gunicorn.conf.py