m68k{,nommu}/h8300: Remove obsolete comment about map_chunk

Remove the comments referring to a function map_chunk that no longer exists.
Signed-off-by: Philippe De Muyter <phdm@macqel.be>
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>

arch/h8300/mm/memory.c

@@ -44,8 +44,8 @@ void cache_push_v (unsigned long vaddr, int len)
 {
 }
 
-/* Map some physical address range into the kernel address space. The
- * code is copied and adapted from map_chunk().
+/*
+ * Map some physical address range into the kernel address space.
  */
 
 unsigned long kernel_map(unsigned long paddr, unsigned long size,

arch/m68k/mm/kmap.c

@@ -99,8 +99,7 @@ static inline void free_io_area(void *addr)
 #endif
 
 /*
- * Map some physical address range into the kernel address space. The
- * code is copied and adapted from map_chunk().
+ * Map some physical address range into the kernel address space.
  */
 /* Rewritten by Andreas Schwab to remove all races. */
 

arch/m68knommu/mm/memory.c

@@ -24,7 +24,6 @@
 
 /*
  * Map some physical address range into the kernel address space.
- * The code is copied and adapted from map_chunk().
  */
 
 unsigned long kernel_map(unsigned long paddr, unsigned long size,