Adjust animation speed and remove useless arguments

src/components/images/style.css

@@ -4,20 +4,10 @@
 
 .cardImageContainer.lazy.lazy-image-fadein {
     opacity: 1;
-    transition: opacity 1s;
+    transition: opacity 0.7s;
 }
 
 .cardImageContainer.lazy.lazy-image-fadein-fast {
     opacity: 1;
-    transition: opacity 0.5s;
-}
-
-@keyframes lazy-image-fadein {
-    from {
-        opacity: 0;
-    }
-
-    to {
-        opacity: 1;
-    }
+    transition: opacity 0.2s;
 }

src/components/lazyloader/lazyloader-intersectionobserver.js

@@ -31,7 +31,7 @@
             });
         }
 
-        destroyObserver(elements) {
+        destroyObserver() {
             const observer = this.observer;
 
             if (observer) {
@@ -40,7 +40,7 @@
             }
         }
 
-        destroy(elements) {
+        destroy() {
             this.destroyObserver();
             this.options = null;
         }