Remove obsolete entries from .gitignore

.gitignore

@@ -1,39 +1,5 @@
-# Cache and logs (Symfony2)
-/app/cache/*
-/app/logs/*
-!app/cache/.gitkeep
-!app/logs/.gitkeep
-
-# Email spool folder
-/app/spool/*
-
-# Cache, session files and logs (Symfony3)
-/var/cache/*
-/var/logs/*
-/var/sessions/*
-!var/cache/.gitkeep
-!var/logs/.gitkeep
-!var/sessions/.gitkeep
-
-# Parameters
-/app/config/parameters.yml
-/app/config/parameters.ini
-
-# Managed by Composer
-/app/bootstrap.php.cache
-/var/bootstrap.php.cache
-/bin/*
-!bin/console
-!bin/symfony_requirements
 /vendor/
 
-# Assets and user uploads
-/web/bundles/
-/web/uploads/
-
-# Assets managed by Bower
-/web/assets/vendor/
-
 # PHPUnit
 /app/phpunit.xml
 /phpunit.xml