Update tools/get_about_memory.py so it can pull GC/CC logs, with the --gc-logs option.
Revert "Update tools/get_about_memory.py so it can pull GC/CC logs, with the --gc-logs option."

I am an idiot; I already wrote a tool to do this, called get_gc_cc_logs.py.

This reverts commit b0aab814e42eb07ded086de010cffca88eb310d5.
Merge remote-tracking branch 'upstream/master'