Display memory in bytes instead of MB for consistency

- Changed output to show bytes instead of MB
- Updated header to show 'Minne (bytes)'
- Better for comparing memory usage across all languages
- Memory data already collected in bytes from ps command

timelines/JavaScript/run_2.tsv

@@ -1,22 +1,6 @@
-9 2080768 0
+8 2080768 0
+20 2080768 0
 33 2080768 0
+45 2080768 0
 57 2080768 0
-86 2080768 0
-112 2080768 0
-136 2080768 0
-159 2080768 0
-184 2080768 0
-209 2080768 0
-233 2080768 0
-258 2080768 0
-284 2080768 0
-310 2080768 0
-334 2080768 0
-365 2080768 0
-391 2080768 0
-415 2080768 0
-439 2080768 0
-461 2080768 0
-485 2080768 0
-509 2080768 0
-531 2080768 
+71 2080768 0