Remove "prevent_cray_detection" context manager (#46060)

This context manager was used to prevent detecting a platform
as "cray". Since now Cray machines are detected as linux, we can
remove the context manager.

3 files changed, 2 insertions, 18 deletions

diff --git a/lib/spack/spack/bootstrap/config.py b/lib/spack/spack/bootstrap/config.py
index 3feaef1d37..51edeccc25 100644
--- a/lib/spack/spack/bootstrap/config.py
+++ b/lib/spack/spack/bootstrap/config.py
@@ -152,7 +152,7 @@ def _ensure_bootstrap_configuration() -> Generator:
     bootstrap_store_path = store_path()
     user_configuration = _read_and_sanitize_configuration()
     with spack.environment.no_active_environment():
-        with spack.platforms.prevent_cray_detection(), spack.platforms.use_platform(
+        with spack.platforms.use_platform(
             spack.platforms.real_host()
         ), spack.repo.use_repositories(spack.paths.packages_path):
             # Default configuration scopes excluding command line
diff --git a/lib/spack/spack/platforms/__init__.py b/lib/spack/spack/platforms/__init__.py
index 87566bf87f..e49f87b2a7 100644
--- a/lib/spack/spack/platforms/__init__.py
+++ b/lib/spack/spack/platforms/__init__.py
@@ -4,7 +4,7 @@
 # SPDX-License-Identifier: (Apache-2.0 OR MIT)
 import contextlib
 
-from ._functions import _host, by_name, platforms, prevent_cray_detection, reset
+from ._functions import _host, by_name, platforms, reset
 from ._platform import Platform
 from .darwin import Darwin
 from .freebsd import FreeBSD
@@ -23,7 +23,6 @@ __all__ = [
     "host",
     "by_name",
     "reset",
-    "prevent_cray_detection",
 ]
 
 #: The "real" platform of the host running Spack. This should not be changed
diff --git a/lib/spack/spack/platforms/_functions.py b/lib/spack/spack/platforms/_functions.py
index 92c8ee800e..80ff277d21 100644
--- a/lib/spack/spack/platforms/_functions.py
+++ b/lib/spack/spack/platforms/_functions.py
@@ -2,12 +2,8 @@
 # Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
 # SPDX-License-Identifier: (Apache-2.0 OR MIT)
-import contextlib
-
 import llnl.util.lang
 
-import spack.util.environment
-
 from .darwin import Darwin
 from .freebsd import FreeBSD
 from .linux import Linux
@@ -57,14 +53,3 @@ def by_name(name):
     """
     platform_cls = cls_by_name(name)
     return platform_cls() if platform_cls else None
-
-
-@contextlib.contextmanager
-def prevent_cray_detection():
-    """Context manager that prevents the detection of the Cray platform"""
-    reset()
-    try:
-        with spack.util.environment.set_env(MODULEPATH=""):
-            yield
-    finally:
-        reset()