Remove 16x6 aspect ratio

Author: TimOliver

Objective-C/TOCropViewController/Constants/TOCropViewConstants.h

@@ -43,7 +43,6 @@ typedef NS_ENUM(NSInteger, TOCropViewControllerAspectRatioPreset) {
     TOCropViewControllerAspectRatioPreset5x4,
     TOCropViewControllerAspectRatioPreset7x5,
     TOCropViewControllerAspectRatioPreset16x9,
-    TOCropViewControllerAspectRatioPreset16x6,
     TOCropViewControllerAspectRatioPresetCustom
 };
 

Objective-C/TOCropViewController/TOCropViewController.m

@@ -671,9 +671,6 @@ - (void)setAspectRatioPreset:(TOCropViewControllerAspectRatioPreset)aspectRatioP
         case TOCropViewControllerAspectRatioPreset16x9:
             aspectRatio = CGSizeMake(16.0f, 9.0f);
             break;
-        case TOCropViewControllerAspectRatioPreset16x6:
-            aspectRatio = CGSizeMake(16.0f, 6.0f);
-            break;
         case TOCropViewControllerAspectRatioPresetCustom:
             aspectRatio = self.customAspectRatio;
             break;