Cleanup.

Signal/src/ViewControllers/ConversationView/Cells/OWSContactOffersCell.m

@@ -136,7 +136,6 @@ NS_ASSUME_NONNULL_BEGIN
 
         [self.stackView autoPinEdgeToSuperviewEdge:ALEdgeTop withInset:self.topVMargin],
         [self.stackView autoPinEdgeToSuperviewEdge:ALEdgeBottom withInset:self.bottomVMargin],
-        // TODO: Honor "full-width gutters"?
         [self.stackView autoPinEdgeToSuperviewEdge:ALEdgeLeading
                                          withInset:self.conversationStyle.fullWidthGutterLeading],
         [self.stackView autoPinEdgeToSuperviewEdge:ALEdgeTrailing

Signal/src/ViewControllers/ConversationView/Cells/OWSMessageBubbleView.m

@@ -415,7 +415,6 @@ NS_ASSUME_NONNULL_BEGIN
         [self configureBodyTextView];
         [textViews addObject:self.bodyTextView];
 
-        // TODO: Media?
         OWSAssert(bodyTextSize);
         [self.viewConstraints addObjectsFromArray:@[
             [self.bodyTextView autoSetDimension:ALDimensionHeight toSize:bodyTextSize.CGSizeValue.height],
@@ -554,7 +553,6 @@ NS_ASSUME_NONNULL_BEGIN
 
     UIStackView *textStackView = [[UIStackView alloc] initWithArrangedSubviews:textViews];
     textStackView.axis = UILayoutConstraintAxisVertical;
-    // TODO: Review
     textStackView.spacing = self.textViewVSpacing;
     textStackView.layoutMarginsRelativeArrangement = YES;
     textStackView.layoutMargins = UIEdgeInsetsMake(self.conversationStyle.textInsetTop,

Signal/src/ViewControllers/ConversationView/ConversationViewItem.m

@@ -204,28 +204,6 @@ NSString *NSStringForOWSMessageCellType(OWSMessageCellType cellType)
     return [self.cachedCellSize CGSizeValue];
 }
 
-- (ConversationViewLayoutAlignment)layoutAlignment
-{
-    switch (self.interaction.interactionType) {
-        case OWSInteractionType_Unknown:
-            DDLogVerbose(@"%@ Unknown interaction type: %@", self.logTag, self.interaction.debugDescription);
-            OWSFail(@"%@ Unknown interaction type", self.logTag);
-            return ConversationViewLayoutAlignment_Center;
-        case OWSInteractionType_IncomingMessage:
-            return ConversationViewLayoutAlignment_Incoming;
-        case OWSInteractionType_OutgoingMessage:
-            return ConversationViewLayoutAlignment_Outgoing;
-        case OWSInteractionType_Error:
-        case OWSInteractionType_Info:
-        case OWSInteractionType_Call:
-            return ConversationViewLayoutAlignment_Center;
-        case OWSInteractionType_UnreadIndicator:
-            return ConversationViewLayoutAlignment_FullWidth;
-        case OWSInteractionType_Offer:
-            return ConversationViewLayoutAlignment_Center;
-    }
-}
-
 - (nullable ConversationViewCell *)measurementCell
 {
     OWSAssertIsOnMainThread();

Signal/src/ViewControllers/ConversationView/ConversationViewLayout.h

@@ -4,15 +4,6 @@
 
 NS_ASSUME_NONNULL_BEGIN
 
-// TODO: Remove this enum.
-typedef NS_ENUM(NSInteger, ConversationViewLayoutAlignment) {
-    // We use incoming/outgoing, not left/right to support RTL.
-    ConversationViewLayoutAlignment_Incoming,
-    ConversationViewLayoutAlignment_Outgoing,
-    ConversationViewLayoutAlignment_FullWidth,
-    ConversationViewLayoutAlignment_Center,
-};
-
 @class ConversationStyle;
 @class YapDatabaseConnection;
 @class YapDatabaseReadTransaction;
@@ -21,8 +12,6 @@ typedef NS_ENUM(NSInteger, ConversationViewLayoutAlignment) {
 
 - (CGSize)cellSizeWithTransaction:(YapDatabaseReadTransaction *)transaction;
 
-- (ConversationViewLayoutAlignment)layoutAlignment;
-
 - (CGFloat)vSpacingWithPreviousLayoutItem:(id<ConversationViewLayoutItem>)previousLayoutItem;
 
 @end