Refactor code structure for improved readability and maintainability

frontend/src/components/ui/textarea.tsx

@@ -1,23 +0,0 @@
-import * as React from 'react';
-
-import { cn } from '@/lib/utils';
-
-export interface TextareaProps extends React.TextareaHTMLAttributes<HTMLTextAreaElement> {}
-
-const Textarea = React.forwardRef<HTMLTextAreaElement, TextareaProps>(
-  ({ className, ...props }, ref) => {
-    return (
-      <textarea
-        className={cn(
-          'flex min-h-[80px] w-full rounded-md border border-input bg-background px-3 py-2 text-sm ring-offset-background placeholder:text-muted-foreground focus-visible:outline-none focus-visible:ring-2 focus-visible:ring-ring focus-visible:ring-offset-2 disabled:cursor-not-allowed disabled:opacity-50',
-          className
-        )}
-        ref={ref}
-        {...props}
-      />
-    );
-  }
-);
-Textarea.displayName = 'Textarea';
-
-export { Textarea };