Drop pex requirement from pants module

Author: WiZeYAR

src/asyncapi_python_pants/rules.py

@@ -24,7 +24,6 @@
     Pex,
     PexProcess,
     PexRequest,
-    PexRequirements,
 )
 from .targets import *
 
@@ -38,9 +37,6 @@ async def generate_python_from_asyncapi(
         PexRequest(
             output_filename="asyncapi-python-codegen.pex",
             internal_only=True,
-            requirements=PexRequirements(
-                [f"asyncapi-python[codegen]=={version('asyncapi-python')}"]
-            ),
             interpreter_constraints=InterpreterConstraints([">=3.9"]),
             main=ConsoleScript("asyncapi-python-codegen"),
         ),