sh/mm: drop unused MAX_PHYSADDR_BITS

The macro is not used anywhere, so remove the definition.
Signed-off-by: NArvind Sankar <nivedita@alum.mit.edu>
Signed-off-by: NAndrew Morton <akpm@linux-foundation.org>
Reviewed-by: NAndrew Morton <akpm@linux-foundation.org>
Reviewed-by: NDavid Hildenbrand <david@redhat.com>
Acked-by: NDave Hansen <dave.hansen@linux.intel.com>
Acked-by: NMike Rapoport <rppt@linux.ibm.com>
Link: http://lkml.kernel.org/r/20200723231544.17274-3-nivedita@alum.mit.eduSigned-off-by: NLinus Torvalds <torvalds@linux-foundation.org>

arch/sh/include/asm/sparsemem.h

@@ -5,11 +5,9 @@
 #ifdef __KERNEL__
 /*
  * SECTION_SIZE_BITS		2^N: how big each section will be
- * MAX_PHYSADDR_BITS		2^N: how much physical address space we have
- * MAX_PHYSMEM_BITS		2^N: how much memory we can have in that space
+ * MAX_PHYSMEM_BITS		2^N: how much physical address space we have
  */
 #define SECTION_SIZE_BITS	26
-#define MAX_PHYSADDR_BITS	32
 #define MAX_PHYSMEM_BITS	32
 
 #endif