Remove PHPUnit

Author: schmengler

README.md

@@ -37,13 +37,6 @@ Please see [CHANGELOG](CHANGELOG.md) for more information on what has changed re
 
 Please see [CONTRIBUTING](CONTRIBUTING.md) for details.
 
-## Testing
-
-### Unit Tests
-
-```
-vendor/bin/phpunit tests/unit
-```
 
 ## Security
 

composer.json

@@ -18,11 +18,6 @@
             "IntegerNet\\ConfigurableWysiwyg\\": "src"
         }
     },
-    "autoload-dev": {
-        "psr-4": {
-            "IntegerNet\\ConfigurableWysiwyg\\": "tests/src"
-        }
-    },
     "repositories": [
         {
             "type": "composer",
@@ -35,7 +30,6 @@
     },
     "require-dev": {
         "roave/security-advisories": "dev-master",
-        "phpunit/phpunit": "^6.0|^9.0",
         "pds/skeleton": "^1.0",
         "phpro/grumphp": "^v0.21.0",
         "phpstan/phpstan": "^0.12.0",