Remove --experimentalAsyncFunctions from tests

Author: mhegazy

tests/cases/conformance/async/es6/asyncArrowFunction/asyncArrowFunction10_es6.ts

@@ -1,6 +1,5 @@
 // @target: ES6
 // @noEmitHelpers: true
-// @experimentalAsyncFunctions: true
 
 var foo = async foo(): Promise<void> => {
  // Legal to use 'await' in a type context.

tests/cases/conformance/async/es6/asyncArrowFunction/asyncArrowFunction1_es6.ts

@@ -1,6 +1,5 @@
 // @target: ES6
 // @noEmitHelpers: true
-// @experimentalAsyncFunctions: true
 
 var foo = async (): Promise<void> => {
 };

tests/cases/conformance/async/es6/asyncArrowFunction/asyncArrowFunction2_es6.ts

@@ -1,5 +1,4 @@
 // @target: ES6
 // @noEmitHelpers: true
-// @experimentalAsyncFunctions: true
 var f = (await) => {
 }

tests/cases/conformance/async/es6/asyncArrowFunction/asyncArrowFunction3_es6.ts

@@ -1,5 +1,4 @@
 // @target: ES6
 // @noEmitHelpers: true
-// @experimentalAsyncFunctions: true
 function f(await = await) {
 }

tests/cases/conformance/async/es6/asyncArrowFunction/asyncArrowFunction4_es6.ts

@@ -1,5 +1,4 @@
 // @target: ES6
 // @noEmitHelpers: true
-// @experimentalAsyncFunctions: true
 var await = () => {
 }

tests/cases/conformance/async/es6/asyncArrowFunction/asyncArrowFunction5_es6.ts

@@ -1,6 +1,5 @@
 // @target: ES6
 // @noEmitHelpers: true
-// @experimentalAsyncFunctions: true
 
 var foo = async (await): Promise<void> => {
 }

tests/cases/conformance/async/es6/asyncArrowFunction/asyncArrowFunction6_es6.ts

@@ -1,6 +1,5 @@
 // @target: ES6
 // @noEmitHelpers: true
-// @experimentalAsyncFunctions: true
 
 var foo = async (a = await): Promise<void> => {
 }

tests/cases/conformance/async/es6/asyncArrowFunction/asyncArrowFunction7_es6.ts

@@ -1,6 +1,5 @@
 // @target: ES6
 // @noEmitHelpers: true
-// @experimentalAsyncFunctions: true
 
 var bar = async (): Promise<void> => {
  // 'await' here is an identifier, and not an await expression.

tests/cases/conformance/async/es6/asyncArrowFunction/asyncArrowFunction8_es6.ts

@@ -1,6 +1,5 @@
 // @target: ES6
 // @noEmitHelpers: true
-// @experimentalAsyncFunctions: true
 
 var foo = async (): Promise<void> => {
  var v = { [await]: foo }

tests/cases/conformance/async/es6/asyncArrowFunction/asyncArrowFunction9_es6.ts

@@ -1,5 +1,4 @@
 // @target: ES6
 // @noEmitHelpers: true
-// @experimentalAsyncFunctions: true
 var foo = async (a = await => await): Promise<void> => {
 }