fix: correct app CMakeLists comments, drop dead bridge_marshal link edge

src/app/CMakeLists.txt

@@ -1,8 +1,9 @@
-# The REAPER extension — a loadable module REAPER dlopen()s, never linked against.
-# Its source list is app/ + shell/ only, so the paths below are rooted at src/ rather than
-# being relative to this directory. Every core/ TU enters through a link edge instead: a TU
-# compiled here AND linked from its library would be built twice under two different sets of
-# per-target compile definitions and include dirs — two definitions of one symbol in one link.
+# The REAPER extension — a loadable module REAPER dlopen()s, never linked against. Paths
+# below are rooted at src/, not relative to this directory.
+# No core/ TU is ever compiled into this source list; every core/ TU enters through a link edge
+# instead. Compiling one here too would give it its own copy, built under this target's own
+# compile definitions and include dirs — free to diverge from the library copy every other
+# consumer (the <module>_tests targets, reasampler_vst) links, with nothing to detect it.
 
 add_library(reaper_reasampler MODULE
     ${REASAMPLER_SRC_DIR}/app/main.cpp
@@ -43,7 +44,7 @@ add_library(reaper_reasampler MODULE
     ${REASAMPLER_SRC_DIR}/shell/actions/instrument_drop_win.cpp
     ${REASAMPLER_SRC_DIR}/shell/persist/usage_scan.cpp
 )
-target_link_libraries(reaper_reasampler PRIVATE json wire file_bytes bank_model capture_paths peaks bank_grid mode_switch tab_strip view_mode_model view_tree guid_diff lane_keys insert_plan render_settings batch_capture tail_control capture_realtime bank_book wav_codec owned_manifest prune_reconcile prune_button app_version provenance drag_out instrument_drop theme component_geometry action_bar footer_bar overflow_menu mode_enable tooltip card_meta card_drag assignment_request bank_sync bridge_marshal sample_usage)
+target_link_libraries(reaper_reasampler PRIVATE json wire file_bytes bank_model capture_paths peaks bank_grid mode_switch tab_strip view_mode_model view_tree guid_diff lane_keys insert_plan render_settings batch_capture tail_control capture_realtime bank_book wav_codec owned_manifest prune_reconcile prune_button app_version provenance drag_out instrument_drop theme component_geometry action_bar footer_bar overflow_menu mode_enable tooltip card_meta card_drag assignment_request bank_sync sample_usage)
 target_include_directories(reaper_reasampler PRIVATE ${SDK_INC} ${WDL_INC})
 
 # OUTPUT_NAME is channel-derived; the CMake target name stays "reaper_reasampler" for both