Stop storing conditional GET info — rely on URLSession built-in caching to handle conditional GET.

Account/Sources/Account/Account.swift

@@ -919,12 +919,6 @@ public final class Account: DisplayNameProvider, UnreadCountProvider, Container,
 	
 	// MARK: - Debug
 
-	public func debugDropConditionalGetInfo() {
-		#if DEBUG
-			flattenedWebFeeds().forEach{ $0.dropConditionalGetInfo() }
-		#endif
-	}
-
 	public func debugRunSearch() {
 		#if DEBUG
 			let t1 = Date()

Account/Sources/Account/CloudKit/CloudKitAccountDelegate.swift

@@ -782,7 +782,6 @@ private extension CloudKitAccountDelegate {
 					return
 				}
 				self.articlesZone.deleteArticles(webFeedExternalID) { result in
-					feed.dropConditionalGetInfo()
 					self.refreshProgress.completeTask()
 					completion(result)
 				}

Account/Sources/Account/CloudKit/CloudKitAccountZoneDelegate.swift

@@ -85,7 +85,6 @@ class CloudKitAcountZoneDelegate: CloudKitZoneDelegate {
 	func removeWebFeed(_ externalID: String) {
 		if let webFeed = account?.existingWebFeed(withExternalID: externalID), let containers = account?.existingContainers(withWebFeed: webFeed) {
 			containers.forEach {
-				webFeed.dropConditionalGetInfo()
 				$0.removeWebFeed(webFeed)
 			}
 		}

Account/Sources/Account/DataExtensions.swift

@@ -26,7 +26,6 @@ public extension WebFeed {
 		public static let editedName = "editedName"
 		public static let authors = "authors"
 		public static let contentHash = "contentHash"
-		public static let conditionalGetInfo = "conditionalGetInfo"
 	}
 }
 

Account/Sources/Account/WebFeed.swift

@@ -123,15 +123,6 @@ public final class WebFeed: Feed, Renamable, Hashable {
 		}
 	}
 
-	public var conditionalGetInfo: HTTPConditionalGetInfo? {
-		get {
-			return metadata.conditionalGetInfo
-		}
-		set {
-			metadata.conditionalGetInfo = newValue
-		}
-	}
-
 	public var contentHash: String? {
 		get {
 			return metadata.contentHash
@@ -253,14 +244,6 @@ public final class WebFeed: Feed, Renamable, Hashable {
 		self.metadata = metadata
 	}
 
-	// MARK: - API
-	
-	public func dropConditionalGetInfo() {
-		conditionalGetInfo = nil
-		contentHash = nil
-		sinceToken = nil
-	}
-
 	// MARK: - Hashable
 
 	public func hash(into hasher: inout Hasher) {

Account/Sources/Account/WebFeedMetadata.swift

@@ -26,7 +26,6 @@ final class WebFeedMetadata: Codable {
 		case contentHash
 		case isNotifyAboutNewArticles
 		case isArticleExtractorAlwaysOn
-		case conditionalGetInfo
 		case sinceToken
 		case externalID = "subscriptionID"
 		case folderRelationship
@@ -104,14 +103,6 @@ final class WebFeedMetadata: Codable {
 		}
 	}
 
-	var conditionalGetInfo: HTTPConditionalGetInfo? {
-		didSet {
-			if conditionalGetInfo != oldValue {
-				valueDidChange(.conditionalGetInfo)
-			}
-		}
-	}
-	
 	var sinceToken: String? {
 		didSet {
 			if externalID != oldValue {

Mac/AppDelegate.swift

@@ -704,12 +704,6 @@ extension AppDelegate {
 		AccountManager.shared.defaultAccount.debugRunSearch()
 	}
 
-	@IBAction func debugDropConditionalGetInfo(_ sender: Any?) {
-		#if DEBUG
-			AccountManager.shared.activeAccounts.forEach{ $0.debugDropConditionalGetInfo() }
-		#endif
-	}
-
 	@IBAction func debugTestCrashReporterWindow(_ sender: Any?) {
 		#if DEBUG
 			crashReportWindowController = CrashReportWindowController(crashLogText: "This is a test crash log.")

Mac/Base.lproj/Main.storyboard

@@ -509,13 +509,6 @@
                                 <modifierMask key="keyEquivalentModifierMask"/>
                                 <menu key="submenu" title="Debug" id="NOT-8E-ykF">
                                     <items>
-                                        <menuItem title="Drop Conditional Get Info" id="btO-Tb-2qS">
-                                            <modifierMask key="keyEquivalentModifierMask"/>
-                                            <connections>
-                                                <action selector="debugDropConditionalGetInfo:" target="Voe-Tx-rLC" id="X24-9X-rwG"/>
-                                            </connections>
-                                        </menuItem>
-                                        <menuItem isSeparatorItem="YES" id="Dij-Nu-eot"/>
                                         <menuItem title="Test Crash Reporter Window" id="gVd-kQ-efj">
                                             <modifierMask key="keyEquivalentModifierMask"/>
                                             <connections>