bug #692 Removing duplicated configuration (yceruto)

This PR was merged into the master branch.

Discussion
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Removing duplicated configuration

Already configured in `translation.yaml`:
https://github.com/symfony/demo/blob/0f8c19fcc05de37b32e78de2506690049268e77e/config/packages/translation.yaml#L2

Commits
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bdbf414 Removing duplicated configuration

Author: javiereguiluz

config/packages/framework.yaml

@@ -1,6 +1,5 @@
 framework:
     secret: '%env(APP_SECRET)%'
-    default_locale: '%locale%'
     csrf_protection: { enabled: true }
     http_method_override: true
     trusted_hosts: ~