Remove a few redundant imports (#46512)

lib/spack/spack/cmd/info.py

@@ -17,7 +17,6 @@
 import spack.repo
 import spack.spec
 import spack.variant
-import spack.version
 from spack.cmd.common import arguments
 from spack.package_base import preferred_version
 

lib/spack/spack/environment/environment.py

@@ -42,7 +42,6 @@
 import spack.spec_list
 import spack.store
 import spack.user_environment as uenv
-import spack.util.cpus
 import spack.util.environment
 import spack.util.hash
 import spack.util.lock as lk

lib/spack/spack/modules/common.py

@@ -48,7 +48,6 @@
 import spack.error
 import spack.paths
 import spack.projections as proj
-import spack.repo
 import spack.schema.environment
 import spack.spec
 import spack.store

lib/spack/spack/test/architecture.py

@@ -8,7 +8,6 @@
 
 import archspec.cpu
 
-import spack.compilers
 import spack.concretize
 import spack.operating_systems
 import spack.platforms

lib/spack/spack/variant.py

@@ -19,7 +19,6 @@
 
 import spack.error as error
 import spack.parser
-import spack.repo
 import spack.spec
 
 #: These are variant names used by Spack internally; packages can't use them