Revert unnecessary change

src/pystencilssfg/emission/file_printer.py

@@ -103,7 +103,7 @@ class SfgFilePrinter:
             case SfgKernelHandle(kernel):
                 kernel_printer = CAstPrinter(
                     indent_width=self._indent_width,
-                    func_prefix="inline" if declared_entity.inline else "",
+                    func_prefix="inline" if declared_entity.inline else None,
                 )
                 return kernel_printer.print_signature(kernel) + ";"