Dep/Jemalloc: Update to Jemalloc 5.0.1

cmake/showoptions.cmake

@@ -95,13 +95,6 @@ if ( NOJEM )
   message(" *** jemalloc linking has been disabled!")
   message(" *** Please note that this is for DEBUGGING WITH VALGRIND only!")
   message(" *** DO NOT DISABLE IT UNLESS YOU KNOW WHAT YOU'RE DOING!")
-elseif ( VALGRIND )
-  message("")
-  message(" *** VALGRIND - WARNING!")
-  message(" *** jemalloc will be configured to support Valgrind")
-  message(" *** Please specify the valgrind include directory in VALGRIND_INCLUDE_DIR option if you get build errors")
-  message(" *** Please note that this is for DEBUGGING WITH VALGRIND only!")
-  add_definitions(-DJEMALLOC_VALGRIND)
 endif()
 
 if ( HELGRIND )