Remove --experimental_build_setting_api usage (#249)

* Remove --experimental_build_setting_api usage

Deprecating this flag so removing all usage.

* One more rm

* fix ,

* Revert  semantics flags change
diff --git a/tests/common_settings_test.sh b/tests/common_settings_test.sh
index 092fab4..531e830 100755
--- a/tests/common_settings_test.sh
+++ b/tests/common_settings_test.sh
@@ -133,7 +133,7 @@
   local -r pkg="${FUNCNAME[0]}"
   create_volcano_pkg "$pkg"
 
-  bazel build volcano:mt-st-helens --experimental_build_setting_api --//volcano:height-flag=8366 \
+  bazel build volcano:mt-st-helens --//volcano:height-flag=8366 \
     --//volcano:active-flag=False --//volcano:namer-flag=puyallup-tribe \
     --//volcano:nicknames-flag=volcano-mc-volcanoface \
     >"$TEST_log" 2>&1 || fail "Expected test to pass"
@@ -148,7 +148,7 @@
   local -r pkg="${FUNCNAME[0]}"
   create_volcano_pkg "$pkg"
 
-  bazel build volcano:mt-st-helens --experimental_build_setting_api --//volcano:height-setting=8366 \
+  bazel build volcano:mt-st-helens --//volcano:height-setting=8366 \
     >"$TEST_log" 2>&1 && fail "Expected test to fail" || true
 
   expect_log "Unrecognized option: //volcano:height-setting"
@@ -158,7 +158,7 @@
   local -r pkg="${FUNCNAME[0]}"
   create_volcano_pkg "$pkg"
 
-  bazel build volcano:mt-st-helens --experimental_build_setting_api --//volcano:namer-flag=me \
+  bazel build volcano:mt-st-helens --//volcano:namer-flag=me \
     >"$TEST_log" 2>&1 && fail "Expected test to fail" || true
 
   expect_log "Error setting //volcano:namer-flag: invalid value 'me'. Allowed values are"