Refactored information widgets, improve widget-boxed style

Signed-off-by: Denis Papec <denis.papec@gmail.com>

src/components/widgets/kubernetes/usage-bar.jsx

@@ -1,12 +0,0 @@
-export default function UsageBar({ percent }) {
-  return (
-    <div className="mt-0.5 w-full bg-theme-800/30 rounded-full h-1 dark:bg-theme-200/20">
-      <div
-        className="bg-theme-800/70 h-1 rounded-full dark:bg-theme-200/50 transition-all duration-1000"
-        style={{
-          width: `${percent}%`,
-        }}
-      />
-    </div>
-  );
-}