Remove unused ChatColors code

Signal/src/ViewControllers/DebugUI/DebugUIMisc.m

@@ -171,9 +171,6 @@ NS_ASSUME_NONNULL_BEGIN
     [items addObject:[OWSTableItem itemWithTitle:@"Log all sticker suggestions"
                                      actionBlock:^() { [DebugUIMisc logStickerSuggestions]; }]];
 
-    [items addObject:[OWSTableItem itemWithTitle:@"Create chat colors"
-                                     actionBlock:^() { [DebugUIMisc createChatColors]; }]];
-
     [items addObject:[OWSTableItem itemWithTitle:@"Log Local Account"
                                      actionBlock:^() { [DebugUIMisc logLocalAccount]; }]];
 
@@ -413,12 +410,6 @@ NS_ASSUME_NONNULL_BEGIN
         [[emojiSet.allObjects sortedArrayUsingSelector:@selector(compare:)] componentsJoinedByString:@" "]);
 }
 
-+ (void)createChatColors
-{
-    DatabaseStorageWrite(SDSDatabaseStorage.shared,
-        ^(SDSAnyWriteTransaction *transaction) { [ChatColors createFakeChatColorsWithTransaction:transaction]; });
-}
-
 @end
 
 NS_ASSUME_NONNULL_END

SignalUI/Appearance/ChatColors.swift

@@ -150,40 +150,6 @@ public class ChatColors: NSObject, Dependencies {
         }
     }
 
-    #if DEBUG
-    @objc
-    public static func createFakeChatColors(transaction: SDSAnyWriteTransaction) {
-
-        func randomOWSColorComponent() -> CGFloat {
-            CGFloat.random(in: 0..<1, choices: 256)
-        }
-
-        func randomOWSColor() -> OWSColor {
-            OWSColor(red: randomOWSColorComponent(),
-                     green: randomOWSColorComponent(),
-                     blue: randomOWSColorComponent())
-        }
-
-        func randomAngleRadians() -> CGFloat {
-            CGFloat.random(in: 0..<(CGFloat.pi * 2), choices: 256)
-        }
-
-        let count = 256
-        for _ in 0..<count {
-            let setting: ColorOrGradientSetting
-            if Bool.random() {
-                setting = .solidColor(color: randomOWSColor())
-            } else {
-                setting = .gradient(gradientColor1: randomOWSColor(),
-                                    gradientColor2: randomOWSColor(),
-                                    angleRadians: randomAngleRadians())
-            }
-            let value = ChatColor(id: ChatColor.randomId, setting: setting)
-            Self.chatColors.upsertCustomValue(value, transaction: transaction)
-        }
-    }
-    #endif
-
     private func fireCustomChatColorsDidChange() {
         NotificationCenter.default.postNotificationNameAsync(
             Self.customChatColorsDidChange,
@@ -319,14 +285,6 @@ public class ChatColors: NSObject, Dependencies {
         }
     }
 
-    public static func chatColorForRendering(address: SignalServiceAddress,
-                                             transaction: SDSAnyReadTransaction) -> ChatColor {
-        guard let thread = TSContactThread.getWithContactAddress(address, transaction: transaction) else {
-            return Self.defaultChatColor
-        }
-        return chatColorForRendering(thread: thread, transaction: transaction)
-    }
-
     public static func setChatColorSetting(_ value: ChatColor?,
                                            thread: TSThread,
                                            transaction: SDSAnyWriteTransaction) {