Cut shell/capture comment bloat ~33% (comments only, zero code change)

src/shell/capture/track_guid.cpp

@@ -1,7 +1,7 @@
 // track_guid.cpp — the single MediaTrack* -> canonical GUID key formatter. See
-// track_guid.h. Compiled into the reaper_reasampler MODULE; includes
+// track_guid.h. Compiled into the reaper_reasampler module; includes
 // reaper_plugin_functions.h WITHOUT REAPERAPI_IMPLEMENT (main.cpp is the one TU
-// that defines the API pointers — CLAUDE.md §contract).
+// that defines the API pointers).
 
 #include "shell/capture/track_guid.h"