fix: use removesuffix("Def") instead of [:-3] for elementKind extraction

Co-authored-by: jimisola <1577689+jimisola@users.noreply.github.com>

Author: Copilot

src/reqstool_python_decorators/processors/decorator_processor.py

@@ -127,7 +127,7 @@ def get_functions_and_classes(self, file_path: str | os.PathLike, decorator_name
                     self.req_svc_results.append(
                         {
                             "fullyQualifiedName": str(file_path).replace("/", "."),
-                            "elementKind": node.__class__.__name__[:-3].upper(),
+                            "elementKind": node.__class__.__name__.removesuffix("Def").upper(),
                             "name": node.name,
                             "decorators": decorators_info,
                         }