reset to pre-modification baseline; restart feature work from clean state

Restoring the working tree to the pristine pre-Claude baseline previously
preserved at /data/clearpilot (now /data/clearpilot-baseline). The prior
modified-but-broken tree is snapshotted at /data/openpilot-broken-2026-05-03
and tagged here as pre-reset-2026-05-03 for reference.

From here, features (UI changes, dashcam, telemetry, GPS, display modes,
speed logic, standstill power saving, etc.) will be re-introduced one at
a time with proper testing.

selfdrive/SConscript

@@ -3,5 +3,4 @@ SConscript(['controls/lib/lateral_mpc_lib/SConscript'])
 SConscript(['controls/lib/longitudinal_mpc_lib/SConscript'])
 SConscript(['locationd/SConscript'])
 SConscript(['modeld/SConscript'])
-SConscript(['ui/SConscript'])
-SConscript(['clearpilot/SConscript'])
+SConscript(['ui/SConscript'])