fix linting issues

Author: christoph2497

library/Eventtracker/Modifier/ModifierChain.php

@@ -70,7 +70,7 @@ public function addModifier(Modifier $modifier, $propertyName)
     }
 
     public function replaceModifier(Modifier $modifier, $propertyName, $row)
-    {;
+    {
         $this->modifiers[$row] = [$propertyName, $modifier];
     }
 

library/Eventtracker/Web/Form/ChannelRuleForm.php

@@ -51,7 +51,8 @@ public function editRow(int $row, string $compareChecksum)
             $this->populate(['modifyProperty' => $modifier[0], 'modifierImplementation' => $modifier[1]->getName()]);
             $this->populate((array) $modifier[1]->getSettings()->jsonSerialize());
         } else {
-            throw new \Exception('Checksum doesn\'t not match checksum from url: ' . $compareChecksum . ' != ' . $this->modifierChain->getShortChecksum());
+            throw new \Exception('Checksum doesn\'t not match checksum from url: '
+                . $compareChecksum . ' != ' . $this->modifierChain->getShortChecksum());
         }
     }