rv/rvgen: remove unused __get_main_name method

The __get_main_name() method in the generator module is never called
from anywhere in the codebase. Remove this dead code to improve
maintainability.

Signed-off-by: Wander Lairson Costa <wander@redhat.com>
Reviewed-by: Gabriele Monaco <gmonaco@redhat.com>
Link: https://lore.kernel.org/r/20260223162407.147003-14-wander@redhat.com
Signed-off-by: Gabriele Monaco <gmonaco@redhat.com>

Author: walac

tools/verification/rvgen/rvgen/generator.py

@@ -205,12 +205,6 @@ def _create_file(self, file_name, content):
             path = os.path.join(self.rv_dir, "monitors", path)
         self.__write_file(path, content)
 
-    def __get_main_name(self):
-        path = f"{self.name}/main.c"
-        if not os.path.exists(path):
-            return "main.c"
-        return "__main.c"
-
     def print_files(self):
         main_c = self.fill_main_c()