Ensure U+180E is no longer considered whitespace

test/built-ins/JSON/parse/15.12.1.1-0-7.js

test/built-ins/Number/S9.3.1_A2.js

test/built-ins/Number/S9.3.1_A2_U180E.js

test/built-ins/Number/S9.3.1_A3_T1.js

test/built-ins/Number/S9.3.1_A3_T1_U180E.js

test/built-ins/Number/S9.3.1_A3_T2.js

test/built-ins/Number/S9.3.1_A3_T2_U180E.js

test/built-ins/RegExp/S15.10.2.12_A1_T1.js

test/built-ins/RegExp/S15.10.2.12_A2_T1.js

...s/String/prototype/toLocaleLowerCase/Final_Sigma_U180E.js

...ilt-ins/String/prototype/toLowerCase/Final_Sigma_U180E.js

test/built-ins/String/prototype/trim/15.5.4.20-3-2.js

test/built-ins/String/prototype/trim/15.5.4.20-3-3.js

test/built-ins/String/prototype/trim/15.5.4.20-3-4.js

test/built-ins/String/prototype/trim/15.5.4.20-3-5.js

test/built-ins/String/prototype/trim/15.5.4.20-3-6.js

test/built-ins/String/prototype/trim/15.5.4.20-3-7.js

test/built-ins/String/prototype/trim/u180e.js

test/built-ins/parseFloat/S15.1.2.3_A2_T10.js

test/built-ins/parseFloat/S15.1.2.3_A2_T10_U180E.js