Mark Image::destroy as deprecated and ignore code coverage

Author: natanfelles

src/Image.php

@@ -90,11 +90,6 @@ public function __construct(string $filename)
         $this->instance = $instance;
     }
 
-    public function __destruct()
-    {
-        $this->destroy();
-    }
-
     public function __toString() : string
     {
         return $this->getDataUrl();
@@ -104,6 +99,10 @@ public function __toString() : string
      * Destroys the GdImage instance.
      *
      * @return bool
+     *
+     * @deprecated
+     *
+     * @codeCoverageIgnore
      */
     public function destroy() : bool
     {

tests/ImageTest.php

@@ -78,12 +78,6 @@ public function testResolution() : void
         //$this->image->setResolution(0);
     }
 
-    public function testDestroy() : void
-    {
-        self::assertTrue($this->image->destroy());
-        self::assertTrue($this->image->destroy());
-    }
-
     public function testInstance() : void
     {
         self::assertInstanceOf(\GdImage::class, $this->image->getInstance());