[iOS] Don't limit the number of line for the version

This CL removes the limit on the number of lines used to display the
current version in the settings.

Bug: 899700
Change-Id: Iab412b30c2e32f5212a05d8b799fdc4cd9777859
Reviewed-on: https://chromium-review.googlesource.com/c/1307439Reviewed-by: Sergio Collazos <sczs@chromium.org>
Commit-Queue: Gauthier Ambard <gambard@chromium.org>
Cr-Commit-Position: refs/heads/master@{#603995}

ios/chrome/browser/ui/settings/cells/version_item.mm

@@ -61,6 +61,7 @@ const CGFloat kVerticalSpacing = 16;
     _textLabel.translatesAutoresizingMaskIntoConstraints = NO;
     _textLabel.font =
         [UIFont preferredFontForTextStyle:UIFontTextStyleFootnote];
+    _textLabel.numberOfLines = 0;
     _textLabel.textColor =
         UIColorFromRGB(kTableViewSecondaryLabelLightGrayTextColor);
     _textLabel.backgroundColor = [UIColor clearColor];