Remove Spigot timings

paper-server/src/main/java/org/bukkit/craftbukkit/util/CraftIconCache.java

@@ -1,6 +1,7 @@
 package org.bukkit.craftbukkit.util;
 
 import org.bukkit.util.CachedServerIcon;
+import org.jetbrains.annotations.Nullable;
 
 public class CraftIconCache implements CachedServerIcon {
     public final byte[] value;
@@ -8,4 +9,12 @@ public class CraftIconCache implements CachedServerIcon {
     public CraftIconCache(final byte[] value) {
         this.value = value;
     }
+
+    @Override
+    public @Nullable String getData() {
+        if (this.value == null) {
+            return null;
+        }
+        return "data:image/png;base64," + new String(java.util.Base64.getEncoder().encode(this.value), java.nio.charset.StandardCharsets.UTF_8);
+    }
 }