CR: inline per code review

Signal/src/ViewControllers/HomeView/HomeViewCell.m

@@ -66,7 +66,8 @@ NS_ASSUME_NONNULL_BEGIN
     _viewConstraints = [NSMutableArray new];
 
     UIView *selectedBackgroundView = [UIView new];
-    selectedBackgroundView.backgroundColor = UIColor.ows_tableCellSelectedBackgroundColor;
+    selectedBackgroundView.backgroundColor = [[UIColor colorWithRGBHex:0x000000] colorWithAlphaComponent:0.08];
+
     self.selectedBackgroundView = selectedBackgroundView;
 
     self.avatarView = [[AvatarImageView alloc] init];

SignalMessaging/categories/UIColor+OWS.h

@@ -31,7 +31,6 @@ NS_ASSUME_NONNULL_BEGIN
 @property (class, readonly, nonatomic) UIColor *ows_infoMessageBorderColor;
 @property (class, readonly, nonatomic) UIColor *ows_toolbarBackgroundColor;
 @property (class, readonly, nonatomic) UIColor *ows_messageBubbleLightGrayColor;
-@property (class, readonly, nonatomic) UIColor *ows_tableCellSelectedBackgroundColor;
 
 + (UIColor *)colorWithRGBHex:(unsigned long)value;
 

SignalMessaging/categories/UIColor+OWS.m

@@ -117,11 +117,6 @@ NS_ASSUME_NONNULL_BEGIN
     return [UIColor colorWithHue:240.0f / 360.0f saturation:0.02f brightness:0.92f alpha:1.0f];
 }
 
-+ (UIColor *)ows_tableCellSelectedBackgroundColor
-{
-    return [[UIColor colorWithRGBHex:0x000000] colorWithAlphaComponent:0.08];
-}
-
 + (UIColor *)colorWithRGBHex:(unsigned long)value
 {
     CGFloat red = ((value >> 16) & 0xff) / 255.f;