Fix: various lint fixes

...ge/eval-code/direct/var-env-lower-lex-catch-non-strict.js

test/annexB/language/literals/regexp/class-escape.js

.../annexB/language/literals/regexp/extended-pattern-char.js

test/annexB/language/literals/regexp/identity-escape.js

test/annexB/language/literals/regexp/legacy-octal-escape.js

...anguage/literals/regexp/non-empty-class-ranges-no-dash.js

...annexB/language/literals/regexp/non-empty-class-ranges.js

...age/literals/regexp/quantifiable-assertion-followed-by.js

...literals/regexp/quantifiable-assertion-not-followed-by.js

.../language/literals/string/legacy-octal-escape-sequence.js

...xB/language/statements/try/catch-redeclared-for-in-var.js

...nnexB/language/statements/try/catch-redeclared-for-var.js

test/built-ins/Array/prototype/flatMap/length.js

test/built-ins/Array/prototype/flatMap/name.js

test/built-ins/Array/prototype/flatten/length.js

...lt-ins/ArrayIteratorPrototype/next/property-descriptor.js

test/built-ins/Symbol/species/subclassing.js

...errors-expression-await-as-function-binding-identifier.js

...errors-expression-yield-as-function-binding-identifier.js

...rator/early-errors-expression-yield-star-after-newline.js