update the basics section online docs to reflect 1.1 (#507)

* update the basics section online docs to reflect 1.1

* remove reference to repo pinning

Author: kshea21

outputs/basics.sh

@@ -21,9 +21,6 @@ spack config add "config:suppress_gpg_warnings:true"
 
 example basics/source-setup     ". share/spack/setup-env.sh"
 
-# pin repository to release
-example basics/repo            "spack repo update builtin --tag $packages_release"
-
 # spack list
 example basics/list            "spack list"
 example basics/list-py         "spack list 'py-*'"

tutorial_basics.rst

@@ -23,7 +23,7 @@ Installing Spack
 ----------------
 
 Spack is ready to use immediately after installation.
-To get started, we simply clone the Spack repository and check out the latest release, v1.0.
+To get started, we simply clone the Spack repository and check out the latest release, v1.1.
 
 .. literalinclude:: outputs/basics/clone.out
    :language: console
@@ -35,11 +35,6 @@ Spack has some nice command line integration tools, so instead of simply prepend
 
   $ . share/spack/setup-env.sh
 
-For this tutorial we'll also pin the packages repository to ``2025.07.0`` to make use of the binary caches later on by running:
-
-.. literalinclude:: outputs/basics/repo.out
-   :language: console
-
 And now we're good to go!
 
 -----------------