Revert "Tweaked lowmemory killer with settings from V6SuperCharger"

This reverts commit 40f95edcfdf7a0329fd3fe3b4a8d44269cc2fecf.
Revert "Hopefully baked in rmem_max value from V6SuperCharger"

This reverts commit 22a1544631bdbe3b32ffeae1b60ac38928278d15.

Conflicts:
	net/core/sock.c