Atomics: use regular functions

test/built-ins/Atomics/add/bad-range.js

test/built-ins/Atomics/add/bigint/bad-range.js

test/built-ins/Atomics/add/bigint/nonshared-int-views.js

test/built-ins/Atomics/add/non-views.js

test/built-ins/Atomics/add/nonshared-int-views.js

test/built-ins/Atomics/add/shared-nonint-views.js

test/built-ins/Atomics/and/bad-range.js

test/built-ins/Atomics/and/bigint/bad-range.js

test/built-ins/Atomics/and/bigint/nonshared-int-views.js

test/built-ins/Atomics/and/non-views.js

test/built-ins/Atomics/and/nonshared-int-views.js

test/built-ins/Atomics/and/shared-nonint-views.js

test/built-ins/Atomics/compareExchange/bad-range.js

test/built-ins/Atomics/compareExchange/bigint/bad-range.js

...ins/Atomics/compareExchange/bigint/nonshared-int-views.js

test/built-ins/Atomics/compareExchange/non-views.js

.../built-ins/Atomics/compareExchange/nonshared-int-views.js

.../built-ins/Atomics/compareExchange/shared-nonint-views.js

test/built-ins/Atomics/exchange/bad-range.js

test/built-ins/Atomics/exchange/bigint/bad-range.js