Remove unused return value from testWithIntlConstructors

harness/testIntl.js

test/intl402/6.2.2_a.js

test/intl402/6.2.2_b.js

test/intl402/6.2.2_c.js

test/intl402/6.2.3_a.js

test/intl402/6.2.4.js

test/intl402/9.2.1_1.js

test/intl402/9.2.1_3.js

test/intl402/9.2.1_4.js

test/intl402/9.2.1_8_c_ii.js

test/intl402/9.2.2.js

test/intl402/9.2.3_5.js

test/intl402/9.2.5_6.js

test/intl402/9.2.6_2.js

test/intl402/9.2.6_4.js

test/intl402/9.2.6_4_b.js

test/intl402/9.2.6_4_c.js

test/intl402/9.2.8_1_c.js

test/intl402/9.2.8_4.js

test/intl402/Collator/10.1.1_1.js