pants: drop module_mappings provided with pants 2.16+

BUILD

@@ -1,16 +1,6 @@
 python_requirements(
     name="reqs",
     source="requirements-pants.txt",
-    # module_mapping can be removed once pants is released with
-    # https://github.com/pantsbuild/pants/pull/17390
-    module_mapping={
-        "python-editor": ["editor"],
-        "python-json-logger": ["pythonjsonlogger"],
-        "python-statsd": ["statsd"],
-        "sseclient-py": ["sseclient"],
-        "oslo.config": ["oslo_config"],
-        "RandomWords": ["random_words"],
-    },
     overrides={
         # flex and stevedore uses pkg_resources w/o declaring the dep
         ("flex", "stevedore"): {

contrib/core/BUILD

@@ -5,9 +5,6 @@ pack_metadata(
 python_requirements(
     name="reqs",
     source="requirements-tests.txt",
-    # module_mapping can be removed once pants is released with
-    # https://github.com/pantsbuild/pants/pull/17390
-    module_mapping={"mail-parser": ["mailparser"]},
 )
 
 python_sources(