Remove support for per-instruction memory statistics

The new CBC interpreter does not support it anymore, thus removing
related code.

(As a side-effect, `jerry_flag_t` has been refactored from
`uint32_t` and associated defines to an enum.)

JerryScript-DCO-1.0-Signed-off-by: Akos Kiss akiss@inf.u-szeged.hu

targets/nuttx-stm32f4/main-nuttx.c

@@ -185,10 +185,6 @@ int jerryscript_entry (int argc, char *argv[])
     {
       flags |= JERRY_FLAG_MEM_STATS;
     }
-    else if (!strcmp ("--mem-stats-per-opcode", argv[i]))
-    {
-      flags |= JERRY_FLAG_MEM_STATS_PER_OPCODE;
-    }
     else if (!strcmp ("--mem-stats-separate", argv[i]))
     {
       flags |= JERRY_FLAG_MEM_STATS_SEPARATE;