Remove unused #includes of <asm/page.h>.

(<asm/page.h> is going away.)

Change-Id: Id0d7ad0eb791cd47490c48458f9f8a6468ddf5c9
diff --git a/toolbox/mkswap.c b/toolbox/mkswap.c
index 1710ef6..0904152 100644
--- a/toolbox/mkswap.c
+++ b/toolbox/mkswap.c
@@ -1,6 +1,5 @@
 #include <stdio.h>
 #include <unistd.h>
-#include <asm/page.h>
 #include <sys/swap.h>
 #include <sys/types.h>
 #include <sys/stat.h>
diff --git a/toolbox/swapoff.c b/toolbox/swapoff.c
index 8f14158..d8f6a00 100644
--- a/toolbox/swapoff.c
+++ b/toolbox/swapoff.c
@@ -1,6 +1,5 @@
 #include <stdio.h>
 #include <unistd.h>
-#include <asm/page.h>
 #include <sys/swap.h>
 
 int swapoff_main(int argc, char **argv)
diff --git a/toolbox/swapon.c b/toolbox/swapon.c
index a810b3d..21d2287 100644
--- a/toolbox/swapon.c
+++ b/toolbox/swapon.c
@@ -2,7 +2,6 @@
 #include <stdlib.h>
 #include <unistd.h>
 #include <getopt.h>
-#include <asm/page.h>
 #include <sys/swap.h>
 
 void usage(char *name)