Remove obsolete branch-alias

composer.json

@@ -1,37 +1,39 @@
 {
-	"name": "silverstripe/cms",
-	"type": "silverstripe-module",
-	"description": "The SilverStripe Content Management System",
-	"homepage": "http://silverstripe.org",
-	"license": "BSD-3-Clause",
-	"keywords": ["silverstripe", "cms"],
-	"authors": [
-		{
-			"name": "SilverStripe",
-			"homepage": "http://silverstripe.com"
-		},
-		{
-			"name": "The SilverStripe Community",
-			"homepage": "http://silverstripe.org"
-		}
-	],
-	"require": {
-		"php": ">=5.3.3",
-		"composer/installers": "*",
-		"silverstripe/framework": "~3.4",
-		"silverstripe/reports": "~3.4",
-		"silverstripe/siteconfig": "~3.4"
-	},
-	"require-dev": {
-		"phpunit/phpunit": "^3 || ^4 || ^5"
-	},
-	"extra": {
-		"branch-alias": {
-			"3.x-dev": "3.7.x-dev"
-		}
-	},
-	"autoload": {
-		"classmap": ["tests/behat/", "code"]
-	},
-	"minimum-stability": "dev"
-}
+    "name": "silverstripe/cms",
+    "type": "silverstripe-module",
+    "description": "The SilverStripe Content Management System",
+    "homepage": "http://silverstripe.org",
+    "license": "BSD-3-Clause",
+    "keywords": [
+        "silverstripe",
+        "cms"
+    ],
+    "authors": [
+        {
+            "name": "SilverStripe",
+            "homepage": "http://silverstripe.com"
+        },
+        {
+            "name": "The SilverStripe Community",
+            "homepage": "http://silverstripe.org"
+        }
+    ],
+    "require": {
+        "php": ">=5.3.3",
+        "composer/installers": "*",
+        "silverstripe/framework": "~3.4",
+        "silverstripe/reports": "~3.4",
+        "silverstripe/siteconfig": "~3.4"
+    },
+    "require-dev": {
+        "phpunit/phpunit": "^3 || ^4 || ^5"
+    },
+    "extra": [],
+    "autoload": {
+        "classmap": [
+            "tests/behat/",
+            "code"
+        ]
+    },
+    "minimum-stability": "dev"
+}