fix: remove useless comments

lib/theme.dart

@@ -1,9 +1,5 @@
 import 'package:flutter/material.dart';
 
-// ---------------------------------------------------------------------------
-// Shared design tokens
-// ---------------------------------------------------------------------------
-
 class AppRadii {
   static const double sm = 10;
   static const double md = 14;
@@ -19,10 +15,6 @@ class AppSpacing {
   static const double xl = 24;
 }
 
-// ---------------------------------------------------------------------------
-// Dark theme — refined violet palette
-// ---------------------------------------------------------------------------
-
 const _violet = Color(0xFF8B5CF6);
 const _violetSoft = Color(0xFFB39DFF);
 const _bg = Color(0xFF111014);
@@ -261,10 +253,6 @@ final ThemeData darkTheme = ThemeData(
   ),
 );
 
-// ---------------------------------------------------------------------------
-// Neo-brutalist dark theme — punchy, high-contrast alternative
-// ---------------------------------------------------------------------------
-
 const _nbBg = Color(0xFF0C0C0E);
 const _nbSurface = Color(0xFF1C1C20);
 const _nbYellow = Color(0xFFFFD60A);
@@ -494,14 +482,8 @@ final ThemeData lightTheme = ThemeData(
       letterSpacing: -0.3,
       color: Color(0xFF1A1A1A),
     ),
-    iconTheme: const IconThemeData(
-      color: Color(0xFF5C5C5C),
-      size: 22,
-    ),
-    actionsIconTheme: const IconThemeData(
-      color: Color(0xFF5C5C5C),
-      size: 22,
-    ),
+    iconTheme: const IconThemeData(color: Color(0xFF5C5C5C), size: 22),
+    actionsIconTheme: const IconThemeData(color: Color(0xFF5C5C5C), size: 22),
   ),
 
   iconButtonTheme: IconButtonThemeData(
@@ -629,10 +611,7 @@ final ThemeData lightTheme = ThemeData(
       fontSize: 19,
       fontWeight: FontWeight.w800,
     ),
-    contentTextStyle: const TextStyle(
-      color: Color(0xFF5C5C5C),
-      height: 1.4,
-    ),
+    contentTextStyle: const TextStyle(color: Color(0xFF5C5C5C), height: 1.4),
   ),
 
   floatingActionButtonTheme: const FloatingActionButtonThemeData(
@@ -711,16 +690,9 @@ final ThemeData lightTheme = ThemeData(
       color: Color(0xFF1A1A1A),
       fontWeight: FontWeight.w700,
     ),
-    bodyLarge: TextStyle(
-      color: Color(0xFF5C5C5C),
-      fontSize: 16,
-      height: 1.5,
-    ),
+    bodyLarge: TextStyle(color: Color(0xFF5C5C5C), fontSize: 16, height: 1.5),
     bodyMedium: TextStyle(color: Color(0xFF757575), height: 1.4),
-    bodySmall: TextStyle(
-      color: Color(0xFF9E9E9E),
-      height: 1.3,
-    ),
+    bodySmall: TextStyle(color: Color(0xFF9E9E9E), height: 1.3),
     labelLarge: TextStyle(
       color: Color(0xFF1A1A1A),
       fontWeight: FontWeight.w700,
@@ -728,10 +700,6 @@ final ThemeData lightTheme = ThemeData(
   ),
 );
 
-// ---------------------------------------------------------------------------
-// Ugly theme — intentionally repulsive
-// ---------------------------------------------------------------------------
-
 const _uglyFg = Color(0xFFFFF700);
 const _uglyBg = Color(0xFF00FFFF);
 const _uglySurface = Color(0xFFFF00FF);