Merge pull request #1299 from bitjammer/acgarland/rdar-104603198-remove-package-collection-registry-help

Remove `package-collection` and `package-registry` from top-level command help

Author: bitjammer

Sources/swift-help/main.swift

@@ -47,18 +47,14 @@ enum HelpTopic: ExpressibleByArgument, CustomStringConvertible {
 }
 
 enum Subcommand: String, CaseIterable {
-  case build, package, packageRegistry = "package-registry", packageCollection = "package-collection", run, test
+  case build, package, run, test
 
   var description: String {
     switch self {
     case .build:
       return "Build Swift packages"
     case .package:
       return "Create and work on packages"
-    case .packageRegistry:
-      return "Interact with package registry and manage related configuration"
-    case .packageCollection:
-      return "Interact with package collections"
     case .run:
       return "Run a program from a package"
     case .test: