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_4.tsv

@@ -1,22 +1,6 @@
-8 2080768 0
+9 2080768 0
+21 2080768 0
 33 2080768 0
-59 2080768 0
-85 2080768 0
-107 2080768 0
-131 2080768 0
-154 2080768 0
-177 2080768 0
-202 2080768 0
-227 2080768 0
-252 2080768 0
-280 2080768 0
-305 2080768 0
-327 2080768 0
-360 2080768 0
-386 2080768 0
-410 2080768 0
-435 2080768 0
-459 2080768 0
-486 2080768 0
-511 2080768 0
-532 0 0
+45 2080768 0
+60 2080768 0
+73 2080768 0