tmp: drop --performance flag from devtool test

Signed-off-by: Patrick Roy <[email protected]>

Author: roypat

.buildkite/pipeline_perf.py

@@ -100,7 +100,6 @@
     devtool_opts = test.pop("devtool_opts")
     test_selector = test.pop("tests")
     ab_opts = test.pop("ab_opts", "")
-    devtool_opts += " --performance"
     test_script_opts = ""
     if REVISION_A:
         devtool_opts += " --ab"