Add code improvements

Author: olivervogel

src/Colors/Cmyk/Channels/Key.php

@@ -6,5 +6,4 @@
 
 class Key extends Cyan
 {
-    //
 }

src/Colors/Cmyk/Channels/Magenta.php

@@ -6,5 +6,4 @@
 
 class Magenta extends Cyan
 {
-    //
 }

src/Colors/Cmyk/Channels/Yellow.php

@@ -6,5 +6,4 @@
 
 class Yellow extends Cyan
 {
-    //
 }

src/Drivers/Gd/Frame.php

@@ -32,7 +32,6 @@ public function __construct(
         protected int $offset_left = 0,
         protected int $offset_top = 0
     ) {
-        //
     }
 
     /**

src/ModifierStack.php

@@ -17,7 +17,6 @@ class ModifierStack implements ModifierInterface
      */
     public function __construct(protected array $modifiers)
     {
-        //
     }
 
     /**

src/Modifiers/CoverModifier.php

@@ -24,14 +24,12 @@ public function __construct(
     public function getCropSize(ImageInterface $image): SizeInterface
     {
         $imagesize = $image->size();
-
         $crop = new Rectangle($this->width, $this->height);
-        $crop = $crop->contain(
+
+        return $crop->contain(
             $imagesize->width(),
             $imagesize->height()
         )->alignPivotTo($imagesize, $this->position);
-
-        return $crop;
     }
 
     /**

src/Modifiers/GammaModifier.php

@@ -8,6 +8,5 @@ class GammaModifier extends SpecializableModifier
 {
     public function __construct(public float $gamma)
     {
-        //
     }
 }

src/Modifiers/RemoveAnimationModifier.php

@@ -13,7 +13,6 @@ class RemoveAnimationModifier extends SpecializableModifier
 {
     public function __construct(public int|string $position = 0)
     {
-        //
     }
 
     /**

src/Resolution.php

@@ -23,7 +23,6 @@ public function __construct(
         protected float $y,
         protected int $per_unit = self::PER_INCH
     ) {
-        //
     }
 
     /**