Remove conflicting packages from drupal-qa

These conflicts can and has to be removed as the reason why they
were introduced ceased and these versions are not compatible with
D10.3 causing our PHPUnit tests to fail.
See https://project.pronovix.net/issues/26145 and
minkphp/MinkBrowserKitDriver#180.

Change-Id: I0bc561cc2805d78ff9070cc6305ae7d4452bc0ff
Issue-Link: https://project.pronovix.net/issues/28360

composer.json

@@ -45,11 +45,6 @@
             "Pronovix\\DrupalQa\\Tests\\": "tests/src"
         }
     },
-    "conflict": {
-        "behat/mink": ">=v1.11.0",
-        "behat/mink-browserkit-driver": ">=v2.2.0",
-        "behat/mink-selenium2-driver": ">=v1.7.0"
-    },
     "config": {
         "allow-plugins": {
             "dealerdirect/phpcodesniffer-composer-installer": true,