fixup! Move some content group and styles to FormattableContentKit

Author: mokagio

Modules/Package.swift

@@ -77,6 +77,7 @@ let package = Package(
                 "WordPressShared",
                 "WordPressUI",
                 .product(name: "Gridicons", package: "Gridicons-iOS"),
+                // TODO: Remove — It's here just for a NSMutableParagraphStyle init helper
                 .product(name: "WordPressKit", package: "WordPressKit"),
             ],
             // Set to v5 to avoid @Sendable warnings and errors