Revert "Add initial set of class field tests (from V8's test-parsing.cc)"

...computed-name-empty-var-computed-name-empty-function.case

src/class-fields/computed-name-empty-var-empty-function.case

src/class-fields/computed-name-empty-var-empty-var.case

...lds/computed-name-empty-var-generator-empty-function.case

src/class-fields/computed-name-empty-var-new-line-asi.case

...-empty-var-new-line-computed-name-empty-function-asi.case

.../computed-name-empty-var-new-line-empty-function-asi.case

...ields/computed-name-empty-var-new-line-empty-var-asi.case

...name-empty-var-new-line-generator-empty-function-asi.case

src/class-fields/computed-name-empty-var.case

...omputed-name-zero-initializer-new-line-empty-bar-asi.case

...ed-name-zero-initializer-new-line-empty-function-asi.case

...omputed-name-zero-initializer-new-line-empty-var-asi.case

...me-zero-initializer-var-computed-name-empty-function.case

...ds/computed-name-zero-initializer-var-empty-function.case

...-fields/computed-name-zero-initializer-var-empty-var.case

...d-name-zero-initializer-var-generator-empty-function.case

...elds/computed-name-zero-initializer-var-new-line-asi.case

src/class-fields/computed-name-zero-initializer-var.case

src/class-fields/default/cls-decl-extends.template