Remove explicit sta.js includes

test/harness/assert-false.js

test/harness/assert-notsamevalue-nan.js

test/harness/assert-obj.js

test/harness/assert-samevalue-objects.js

test/harness/assert-samevalue-zeros.js

test/harness/assert-throws-incorrect-ctor.js

test/harness/assert-throws-native.js

test/harness/assert-throws-no-arg.js

test/harness/assert-throws-no-error.js

test/harness/assert-throws-null-fn.js

test/harness/assert-throws-null.js

test/harness/assert-throws-primitive.js

test/harness/assert-throws-single-arg.js

test/harness/assertRelativeDateMs.js

test/harness/detachArrayBuffer-host-detachArrayBuffer.js

test/harness/detachArrayBuffer.js

test/harness/promiseHelper.js

...yhelper-verifyconfigurable-not-configurable-not-strict.js

...pertyhelper-verifyconfigurable-not-configurable-strict.js

.../propertyhelper-verifyenumerable-not-enumerable-symbol.js