Default option for Benchmark CUJs

Change-Id: I64e4385526ae09fcb7bf934f6d2055bd583f45ad
Test: NA
Bug: NA
diff --git a/scripts/incremental_build/ui.py b/scripts/incremental_build/ui.py
index 4fc6c29..67d4518 100644
--- a/scripts/incremental_build/ui.py
+++ b/scripts/incremental_build/ui.py
@@ -141,8 +141,6 @@
     )
     def_build_types = [
         BuildType.SOONG_ONLY,
-        BuildType.MIXED_PROD,
-        BuildType.MIXED_STAGING,
     ]
     p.add_argument(
         "-b",