Use merged version of SymbolKit changes

Author: d-ronnqvist

Package.resolved

@@ -139,8 +139,7 @@ if ProcessInfo.processInfo.environment["SWIFTCI_USE_LOCAL_DEPS"] == nil {
         .package(url: "https://github.com/swiftlang/swift-markdown.git", branch: "main"),
         .package(url: "https://github.com/swiftlang/swift-lmdb.git", branch: "main"),
         .package(url: "https://github.com/apple/swift-argument-parser.git", from: "1.2.2"),
-//        .package(url: "https://github.com/swiftlang/swift-docc-symbolkit.git", branch: "main"),
-        .package(url: "https://github.com/QuietMisdreavus/swift-docc-symbolkit.git", branch: "same-shape"),
+        .package(url: "https://github.com/swiftlang/swift-docc-symbolkit.git", branch: "main"),
         .package(url: "https://github.com/apple/swift-crypto.git", from: "3.0.0"),
         .package(url: "https://github.com/swiftlang/swift-docc-plugin.git", from: "1.2.0"),
     ]