Remove aliases and suggest from composer.json.

Author: BusterNeece

composer.json

@@ -22,11 +22,6 @@
             "Supervisor\\": "src/"
         }
     },
-    "extra": {
-        "branch-alias": {
-            "dev-master": "3.1-dev"
-        }
-    },
     "minimum-stability": "dev",
     "prefer-stable": true,
     "require": {
@@ -61,9 +56,5 @@
         "phpstan": "phpstan analyze",
         "phpspec": "phpspec run",
         "behat": "behat"
-    },
-    "suggest": {
-        "lstrojny/fxmlrpc": "A modern, super fast XML/RPC client for PHP >=5.4",
-        "laminas/laminas-xmlrpc": "XmlRpc Laminas component"
     }
 }