remove double names in plugin and theme objects

Author: awcodes

src/SkeletonPlugin.php

@@ -7,11 +7,9 @@
 
 class SkeletonPlugin implements Plugin
 {
-    protected static string $name = 'skeleton-plugin';
-
     public function getId(): string
     {
-        return static::$name;
+        return 'skeleton';
     }
 
     public function register(Panel $panel): void

src/SkeletonTheme.php

@@ -12,7 +12,7 @@ class Skeleton implements Plugin
 {
     public function getId(): string
     {
-        return 'skeleton-theme';
+        return 'skeleton';
     }
 
     public function register(Panel $panel): void