s390/cmma: remove "cmma disable" code in case of dump again

This is not necessary anymore, since the offending code is gone with
the conversion to the memblock code.

Signed-off-by: Heiko Carstens <[e-mail]>-
Signed-off-by: Martin Schwidefsky <[e-mail]>

arch/s390/mm/page-states.c

···
 #include <linux/mm.h>
 #include <linux/gfp.h>
 #include <linux/init.h>
-#include <asm/setup.h>
-#include <asm/ipl.h>
 
 #define ESSA_SET_STABLE		1
 #define ESSA_SET_UNUSED		2
···
 
 	if (!cmma_flag)
 		return;
-	/*
-	 * Disable CMM for dump, otherwise  the tprot based memory
-	 * detection can fail because of unstable pages.
-	 */
-	if (OLDMEM_BASE || ipl_info.type == IPL_TYPE_FCP_DUMP) {
-		cmma_flag = 0;
-		return;
-	}
 	asm volatile(
 		"       .insn rrf,0xb9ab0000,%1,%1,0,0\n"
 		"0:     la      %0,0\n"