configs,python: Clean some cruft out of m5.objects.

SimObject is already available as m5.SimObject, and it doesn't make a
lot of sense to expose m5.internal.params, part of the internals of
gem5's python interface, as a peer to all the SimObject types.

Change-Id: I3030c1eb261877fd9648c9d3d73b7dbbd4c24345
Reviewed-on: https://gem5-review.googlesource.com/c/public/gem5/+/48364
Reviewed-by: Gabe Black <gabe.black@gmail.com>
Maintainer: Gabe Black <gabe.black@gmail.com>
Tested-by: kokoro <noreply+kokoro@google.com>

src/python/m5/objects/__init__.py

@@ -24,14 +24,6 @@
 # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
-from m5.internal import params
-from m5.SimObject import *
-
-try:
-    modules = __spec__.loader_state
-except NameError:
-    modules = { }
-
-for module in modules:
+for module in __spec__.loader_state:
     if module.startswith('m5.objects.'):
         exec("from %s import *" % module)