mm: delete various needless include <linux/module.h>

There is nothing modular in these files, and no reason to drag
in all the 357 headers that module.h brings with it, since
it just slows down compiles.

Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>

diff --cc mm/fremap.c
Simple merge

diff --cc mm/mmzone.c
Simple merge

diff --cc mm/quicklist.c
Simple merge

diff --cc mm/sparse-vmemmap.c
Simple merge

diff --cc mm/swap_state.c
Simple merge

diff --cc mm/swapfile.c
Simple merge