cleanup - removed old code in comments

Author: softhack007

wled00/util.cpp

@@ -342,10 +342,7 @@ uint8_t extractModeSlider(uint8_t mode, uint8_t slider, char *dest, uint8_t maxL
               } else {
                 // WLEDMM bugfix for WLED-MM #272
                 // names.substring(...).c_str() returns a pointer to a temporary; it’s invalid by the next statement. Added result buffer "sub" to avoid use-after-free
-                //   if (nameEnd<0) tmpstr = names.substring(nameBegin).c_str(); // did not find ",", last name?
-                //   else           tmpstr = names.substring(nameBegin, nameEnd).c_str();
-                // strlcpy(dest, tmpstr, maxLen); // copy the name into buffer (replacing previous)
-                String sub = (nameEnd<0) ? names.substring(nameBegin) : names.substring(nameBegin, nameEnd);
+                String sub = (nameEnd<0) ? names.substring(nameBegin) : names.substring(nameBegin, nameEnd); // special handling in case we did not find "," (last name)
                 strlcpy(dest, sub.c_str(), maxLen); // copy the name into buffer (replacing previous)
 			  }
             }