remove obsolete branch alias

Author: dbu

.github/workflows/test-application.yaml

@@ -4,7 +4,6 @@ on:
     pull_request:
     push:
         branches:
-            - 'master'
             - '[0-9]+.x'
             - '[0-9]+.[0-9]+'
             - '[0-9]+.[0-9]+.x'
@@ -51,7 +50,7 @@ jobs:
 
             - name: Install Symfony Flex
               run: composer global require --no-progress --no-scripts --no-plugins symfony/flex
-              
+
             - name: Allow Symfony Flex Plugin
               run: composer global config --no-plugins allow-plugins.symfony/flex true
 

composer.json

@@ -41,10 +41,5 @@
         "allow-plugins": {
             "composer/package-versions-deprecated": true
         }
-    },
-    "extra": {
-        "branch-alias": {
-            "dev-master": "4.x-dev"
-        }
     }
 }