HPCC-20769 Remove uninitialized MTimeSection::title

Signed-off-by: Tim Klemm <Tim.Klemm@lexisnexisrisk.com>

system/jlib/jdebug.cpp

@@ -464,8 +464,8 @@ MTimeSection::~MTimeSection()
     cycle_t end_time = get_cycles_now();
     if (master)
         master->addTiming(scope, end_time-start_time);
-    else
-        display_time(title, end_time-start_time);
+    else if (scope)
+        display_time(scope, end_time-start_time);
 }
 
 class TimeSectionInfo : public MappingBase 

system/jlib/jdebug.hpp

@@ -185,7 +185,6 @@ public:
   ~MTimeSection();
 protected:
   const char * scope;
-  const char *    title;
   cycle_t         start_time;
   ITimeReporter *master;
 };