pyln-client: remove unused doc variable from plugin.

Changelog-Changed: Removed the redundant code to improve clarity and maintainability.
The `doc` variable was being initialised and processed but not used anywhere.

Signed-off-by: Nishant Bansal <[email protected]>

Author: NishantBansal2003

contrib/pyln-client/pyln/client/plugin.py

@@ -84,7 +84,9 @@ def get_usage(self):
                 args.append("[%s]" % arg)
 
         if self.description is not None:
-            args.append("\n%s" % self.description)
+            doc = inspect.getdoc(self.func)
+            doc = re.sub('\n+', ' | ', doc)
+            args.append(" | %s" % doc)
 
         return " ".join(args)
 
@@ -938,16 +940,6 @@ def _getmanifest(self, **kwargs) -> JSONType:
                               'after': method.after})
                 continue
 
-            doc = inspect.getdoc(method.func)
-            if not doc:
-                self.log(
-                    'RPC method \'{}\' does not have a docstring.'.format(
-                        method.name
-                    )
-                )
-                doc = "Undocumented RPC method from a plugin."
-            doc = re.sub('\n+', ' ', doc)
-
             # For compatibility with lightningd prior to 24.08, we must
             # provide a description.  Ignored by 24.08 onwards,
             description = method.description