afdo: move samus to the llvm pipeline

Chrome on samus is going to be built by llvm.
Also removing link.

BUG=chromium:713446
TEST=None

Change-Id: I918be649c294338d97656f609dd5706b6e56d831
Reviewed-on: https://chromium-review.googlesource.com/482523
Commit-Ready: Ting-Yuan Huang <laszio@chromium.org>
Tested-by: Ting-Yuan Huang <laszio@chromium.org>
Reviewed-by: Caroline Tice <cmtice@chromium.org>
diff --git a/server/site_tests/telemetry_AFDOGenerate/telemetry_AFDOGenerate.py b/server/site_tests/telemetry_AFDOGenerate/telemetry_AFDOGenerate.py
index 65fa598..ee47682 100644
--- a/server/site_tests/telemetry_AFDOGenerate/telemetry_AFDOGenerate.py
+++ b/server/site_tests/telemetry_AFDOGenerate/telemetry_AFDOGenerate.py
@@ -68,10 +68,10 @@
 # List of boards where this test can be run.  Currently, it needs a
 # machines with at least 4GB of memory or 2GB of /tmp.
 # This must be consistent with chromite.
-GCC_BOARDS = ['samus', 'link', 'lumpy']
+GCC_BOARDS = ['lumpy']
 
 # Should be disjoint with GCC_BOARDS
-LLVM_BOARDS = ['chell']
+LLVM_BOARDS = ['chell', 'samus']
 
 class telemetry_AFDOGenerate(test.test):
     """