Cleanup code affected in the fixes for #87

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Cleanup code affected in the fixes for #87

• Rename screens so there are not named unhelpful things like recipes.dart and recipes2.dart
• Consider removing the stateful widget for recipes2.dart (don't think it is needed)
• Add code comments related to changes in #87
• Resolve The value of the local variable 'favorited' isn't used. Try removing the variable, or using it. in recipes2.dart
• Confirm imports are correct in related files for the fixes completed
• Remove favorite icon changes if it makes sense recipes2.dart
  • Could share this widget across the app too

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• Removed state for the fav recipe screen
• Renamed the fav recipe screen
• Cleaned up some naming of fave recipe objects
• Removed UI changes for the fav recipe heart since it will not change