[roll] Roll fuchsia [ffx][sdk] Don't rely on `sdk.type` config

This removes ffx' dependence on the sdk.type config variable to figure
out what kind of sdk it's looking at. The two 'kinds' of sdk are
different enough from each other that it can just be auto-detected.

Original-Fixed: 123385

Original-Reviewed-on: https://fuchsia-review.googlesource.com/c/fuchsia/+/811267
Original-Revision: 161592997df557fe3337e12e5b115127ece10304
GitOrigin-RevId: 161e782481cba14400be9e858ab37e131ca9fcdf
Change-Id: Id028e3e60072eaf3e5a38ac64ee12b47dfc540d3

stem

diff --git a/stem b/stem
index 32b3a68..8b87813 100644
--- a/stem
+++ b/stem
@@ -11,7 +11,7 @@
              githooks="integration/git-hooks"
              remote="https://fuchsia.googlesource.com/fuchsia"
              gerrithost="https://fuchsia-review.googlesource.com"
-             revision="e19fa1eea4a9990137d07b0a88051197853a7877"/>
+             revision="161592997df557fe3337e12e5b115127ece10304"/>
   </projects>
   <hooks>
     <hook name="install-environment"