No longer needed, let's remove it. Also, drop the "hint" parameter
completely from "find_memory_block_by_id", as nobody needs it anymore.

Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: "Rafael J. Wysocki" <rafael@kernel.org>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Stephen Rothwell <redacted>
Cc: Pavel Tatashin <pasha.tatashin@soleen.com>
Cc: "mike.travis@hpe.com" <redacted>
Signed-off-by: David Hildenbrand <redacted>
---
 drivers/base/memory.c  | 32 ++++++++++----------------------
 include/linux/memory.h |  2 --
 2 files changed, 10 insertions(+), 24 deletions(-)

diff --git a/drivers/base/memory.c b/drivers/base/memory.c
index 0204384b4d1d..fefb64d3588e 100644
--- a/drivers/base/memory.c
+++ b/drivers/base/memory.c

@@ -592,26 +592,12 @@ int __weak arch_get_memory_phys_device(unsigned long start_pfn)
  * A reference for the returned object is held and the reference for the
  * hinted object is released.
  */