[Buildroot] [git commit branch/2022.02.x] system: remove use of legacy md5 option

[Peter Korsgaard]

commit: https://git.buildroot.net/buildroot/commit/?id=253ee5b11f643a08fa7d144c5d5abeb4fb6ce1a7
branch: https://git.buildroot.net/buildroot/commit/?id=refs/heads/2022.02.x

Commit "bf3626002f system cfg: remove mkpasswd MD5 format option", from
release 2019.02, moved the symbol to legacy handling, but the symbol is
still referenced.

Remove the reference to it.

Signed-off-by: Ricardo Martincoski <ricardo.martincoski at gmail.com>
Signed-off-by: Peter Korsgaard <peter at korsgaard.com>
(cherry picked from commit 032cfbc716749869b185f83dab450ec47f969765)
Signed-off-by: Peter Korsgaard <peter at korsgaard.com>
---
 system/Config.in | 1 -
 1 file changed, 1 deletion(-)

diff --git a/system/Config.in b/system/Config.in
index 34b0a9a3a4..3db03dce64 100644
--- a/system/Config.in
+++ b/system/Config.in
@@ -78,7 +78,6 @@ endchoice # Passwd encoding
 
 config BR2_TARGET_GENERIC_PASSWD_METHOD
 	string
-	default "md5"       if BR2_TARGET_GENERIC_PASSWD_MD5
 	default "sha-256"   if BR2_TARGET_GENERIC_PASSWD_SHA256
 	default "sha-512"   if BR2_TARGET_GENERIC_PASSWD_SHA512