Delete all presets everywhere

- Remove factory presets (151 files across 30 banks, 5 channels)
- Remove default_captures (5 NAM preset mappings)
- Disable factory preset installation on boot (if False)
- Clean from local dev repo, pedal project copy, and pedal runtime

main.py

@@ -171,8 +171,8 @@ class PedalApp:
                 audio_pipeline=self.pipeline,
             )
 
-            # Install factory presets for all channels (non-destructive by default)
-            if pcfg.get("install_factory", True):
+            # Install factory presets — DISABLED per user request (all deleted)
+            if False:
                 for ch in Channel:
                     installed = self.presets.install_factory_presets(
                         overwrite=False, channel=ch,