lint: remove unused variables in module_utils and tests

https://chatgpt.com/share/6942c80f-c904-800f-8793-f804da1aa891

module_utils/sounds.py

@@ -175,7 +175,6 @@ try:
         def play_infinito_intro_sound(cls) -> None:
             build_time = 10.0
             celebr_time = 12.0
-            breakdown_time = 10.0
             overlap = 3.0
 
             bass_seg = 0.125

module_utils/valid_deploy_id.py

@@ -45,7 +45,6 @@ class ValidDeployId:
         Manually parse INI inventory for sections and host lists.
         Returns True if app_id matches a section name or a host in a section.
         """
-        present = False
         with open(inventory_path, 'r', encoding='utf-8') as f:
             current_section = None
             for raw in f: