Comment cleanups

Author: horenmar

src/catch2/internal/catch_run_context.cpp

@@ -166,6 +166,8 @@ namespace Catch {
     }
 
     namespace Detail {
+        // This is used only for CHECKED_IF/CHECKED_ELSE, and making
+        // it thread-local fits that usage better than shared between threads.
         static thread_local bool g_lastAssertionPassed = false;
     }
 

src/catch2/internal/catch_run_context.hpp

@@ -157,7 +157,6 @@ namespace Catch {
         FatalConditionHandler m_fatalConditionhandler;
         // Caches m_config->abortAfter() to avoid vptr calls/allow inlining
         size_t m_abortAfterXFailedAssertions;
-        //bool m_lastAssertionPassed = false;
         bool m_shouldReportUnexpected = true;
         // Caches whether `assertionStarting` events should be sent to the reporter.
         bool m_reportAssertionStarting;