pw_presubmit: Remove compatibility aliases

Change-Id: Ia3605447a4f391d61bf659b0add7b0eea879c03f
diff --git a/pw_presubmit/py/pw_presubmit/format_code.py b/pw_presubmit/py/pw_presubmit/format_code.py
index be4d282..e41b3ec 100755
--- a/pw_presubmit/py/pw_presubmit/format_code.py
+++ b/pw_presubmit/py/pw_presubmit/format_code.py
@@ -320,10 +320,6 @@
         presubmit_check(fmt, **filter_paths_args) for fmt in CODE_FORMATS)
 
 
-# TODO(hepler): Remove this teporary variable; always use the function instead.
-PRESUBMIT_CHECKS = presubmit_checks()
-
-
 class CodeFormatter:
     """Checks or fixes the formatting of a set of files."""
     def __init__(self, files: Collection[Path]):
diff --git a/pw_presubmit/py/pw_presubmit/python_checks.py b/pw_presubmit/py/pw_presubmit/python_checks.py
index 15de5cb..6b08fb2 100644
--- a/pw_presubmit/py/pw_presubmit/python_checks.py
+++ b/pw_presubmit/py/pw_presubmit/python_checks.py
@@ -98,9 +98,6 @@
     mypy,
 )
 
-# TODO(hepler): Remove this teporary alias; use the function instead.
-ALL = _ALL_CHECKS
-
 
 def all_checks(endswith='.py', **filter_paths_args):
     return tuple(