gitignore: Remove unused constraints

.gitignore

@@ -1,14 +1,9 @@
 # OGN stuff
-ogn.db
-beacons.db
 
 # Byte-compiled / optimized / DLL files
 __pycache__/
 *.py[cod]
 
-# C extensions
-*.so
-
 # Distribution / packaging
 bin/
 build/
@@ -24,32 +19,12 @@ var/
 .installed.cfg
 *.egg
 
-# Installer logs
-pip-log.txt
-pip-delete-this-directory.txt
-
 # Unit test / coverage reports
-.tox/
 .coverage
 .cache
 nosetests.xml
 coverage.xml
 
-# Translations
-*.mo
-
-# Mr Developer
-.mr.developer.cfg
-.project
-.pydevproject
-
-# Rope
-.ropeproject
-
-# Django stuff:
-*.log
-*.pot
-
 # Sphinx documentation
 docs/_build/