Merge "Remove unused -Wno-implicit-function-declaration." into main am: 6df5362aff

Original change: https://android-review.googlesource.com/c/platform/external/scrypt/+/3357118

Change-Id: I50e6c99b5a4f92b6a63abea7b4e995e3e2f40cce
Signed-off-by: Automerger Merge Worker <[email protected]>