Fix bad merge

Author: sebastianbergmann

src/Driver/Driver.php

@@ -86,16 +86,6 @@ public function isXdebug(): bool
         return false;
     }
 
-    public function isPcov(): bool
-    {
-        return false;
-    }
-
-    public function isXdebug(): bool
-    {
-        return false;
-    }
-
     abstract public function nameAndVersion(): string;
 
     abstract public function start(): void;