Remove rerun example hook and clarify C header sorting

Author: jslee02

.clang-format

@@ -110,7 +110,7 @@ IncludeCategories:
     Priority: 50
 
   # C++ standard library headers, then C
-  # NOTE: Add when new C++ STL header begins with "c" is found
+  # C-prefix headers (including the full C++20 set) are matched by the "^<c.*>$" regex
   - Regex: "^<charconv>$"
     Priority: 100
   - Regex: "^<chrono>$"

examples/CMakeLists.txt

@@ -31,12 +31,6 @@ add_subdirectory(capsule_ground_contact)
 if(DART_HAVE_OCTOMAP)
   add_subdirectory(point_cloud)
 endif()
-file(GLOB rerun_sources CONFIGURE_DEPENDS "rerun/*.cpp" "rerun/*.cc")
-if(rerun_sources)
-  add_subdirectory(rerun)
-else()
-  message(STATUS "Skipping rerun example: no source files found")
-endif()
 add_subdirectory(rigid_chain)
 add_subdirectory(rigid_cubes)
 add_subdirectory(rigid_loop)