Fix code style

Author: stevebauman

src/Query/Filter/ConditionFilter.php

@@ -24,4 +24,3 @@ public function getValue(): ?string;
      */
     public function getRaw(): string;
 }
-

src/Query/Filter/GroupFilter.php

@@ -14,4 +14,3 @@ public function getOperator(): string;
      */
     public function getRaw(): string;
 }
-

tests/Unit/Query/Filter/ParserTest.php

@@ -5,7 +5,6 @@
 use LdapRecord\Query\Filter\AndGroup;
 use LdapRecord\Query\Filter\ApproximatelyEquals;
 use LdapRecord\Query\Filter\Equals;
-use LdapRecord\Query\Filter\Not;
 use LdapRecord\Query\Filter\OrGroup;
 use LdapRecord\Query\Filter\Parser;
 use LdapRecord\Query\Filter\ParserException;