[macOS] do not install stack install hook (#6377)

images/macos/provision/configuration/environment/bashrc

@@ -28,3 +28,4 @@ export HOMEBREW_CLEANUP_PERIODIC_FULL_DAYS=3650
 export HOMEBREW_CASK_OPTS="--no-quarantine"
 
 export BOOTSTRAP_HASKELL_NONINTERACTIVE=1
+export BOOTSTRAP_HASKELL_INSTALL_NO_STACK_HOOK=1

images/macos/tests/Haskell.Tests.ps1

@@ -16,4 +16,13 @@ Describe "Haskell" {
             "cabal --version" | Should -ReturnZeroExitCode
         }
     }
+    Context "Stack" {
+        It "Stack" {
+            "stack --version" | Should -ReturnZeroExitCode
+        }
+
+        It "Stack hook is not installed" {
+            "$HOME/.stack/hooks/ghc-install.sh" | Should -Not -Exist
+        }
+    }
 }