demote some `raco' commands

The commands `link', `pack', and `unpack' are now
discouraged in favor of `pkg'.

collects/compiler/commands/info.rkt

@@ -3,7 +3,7 @@
 (define raco-commands
   '(("make" compiler/commands/make "compile source to bytecode" 100)
     ("exe" compiler/commands/exe "create executable" 20)
-    ("pack" compiler/commands/pack "pack files/collections into a .plt archive" 10)
+    ("pack" compiler/commands/pack "pack files/collections into a .plt archive" #f)
     ("unpack" compiler/commands/unpack "unpack files/collections from a .plt archive" #f)
     ("decompile" compiler/commands/decompile "decompile bytecode" #f)
     ("test" compiler/commands/test "run tests associated with files/directories" 15)

collects/scribblings/raco/raco.scrbl

@@ -16,16 +16,16 @@ a typical Racket installation.
 @table-of-contents[]
 
 @include-section["make.scrbl"]
-@include-section["link.scrbl"]
 @include-section["exe.scrbl"]
 @include-section["dist.scrbl"]
-@include-section["plt.scrbl"]
-@include-section["unpack.scrbl"]
 @include-section["planet.scrbl"]
 @include-section["pkg.scrbl"]
 @include-section["setup.scrbl"]
 @include-section["decompile.scrbl"]
 @include-section["demod.scrbl"]
+@include-section["link.scrbl"]
+@include-section["plt.scrbl"]
+@include-section["unpack.scrbl"]
 @include-section["ctool.scrbl"]
 @include-section["test.scrbl"]
 @include-section["docs.scrbl"]

collects/setup/info.rkt

@@ -6,4 +6,4 @@
 (define mzscheme-launcher-names '("Setup PLT"))
 
 (define raco-commands '(("setup" setup/main "install and build libraries and documentation" 90)
-                        ("link" setup/commands/link "manage library-collection directories" 80)))
+                        ("link" setup/commands/link "manage library-collection directories" #f)))