Remove disable parser round trip on some tests

Author: Azoy

test/Interpreter/value_generics.swift

@@ -1,5 +1,4 @@
-// RUN: %target-run-simple-swift(-enable-experimental-feature ValueGenerics -Xfrontend  -disable-availability-checking -Xfrontend -disable-experimental-parser-round-trip) | %FileCheck %s
-// FIXME: Remove -disable-experimental-parser-round-trip after https://github.com/swiftlang/swift-syntax/pull/2859 is merged
+// RUN: %target-run-simple-swift(-enable-experimental-feature ValueGenerics -Xfrontend  -disable-availability-checking) | %FileCheck %s
 
 // UNSUPPORTED: use_os_stdlib
 // UNSUPPORTED: back_deployment_runtime

test/ModuleInterface/value_generics.swift

@@ -1,7 +1,6 @@
 // RUN: %empty-directory(%t)
-// RUN: %target-swift-emit-module-interface(%t.swiftinterface) %s -module-name ValueGeneric -enable-experimental-feature ValueGenerics -disable-availability-checking -disable-experimental-parser-round-trip
-// RUN: %target-swift-typecheck-module-from-interface(%t.swiftinterface) -module-name ValueGeneric -disable-availability-checking -disable-experimental-parser-round-trip
-// FIXME: Remove -disable-experimental-parser-round-trip after https://github.com/swiftlang/swift-syntax/pull/2859 is merged
+// RUN: %target-swift-emit-module-interface(%t.swiftinterface) %s -module-name ValueGeneric -enable-experimental-feature ValueGenerics -disable-availability-checking
+// RUN: %target-swift-typecheck-module-from-interface(%t.swiftinterface) -module-name ValueGeneric -disable-availability-checking
 // RUN: %FileCheck %s < %t.swiftinterface
 
 // REQUIRES: swift_feature_ValueGenerics

test/Sema/value_generics.swift

@@ -1,5 +1,4 @@
-// RUN: %target-typecheck-verify-swift -enable-experimental-feature ValueGenerics -enable-experimental-feature NonescapableTypes -disable-availability-checking -disable-experimental-parser-round-trip
-// FIXME: Remove -disable-experimental-parser-round-trip after https://github.com/swiftlang/swift-syntax/pull/2859 is merged
+// RUN: %target-typecheck-verify-swift -enable-experimental-feature ValueGenerics -enable-experimental-feature NonescapableTypes -disable-availability-checking
 
 // REQUIRES: swift_feature_NonescapableTypes
 // REQUIRES: swift_feature_ValueGenerics

test/Serialization/value_generics.swift

@@ -1,6 +1,5 @@
 // RUN: %empty-directory(%t)
-// RUN: %target-swift-frontend %s -emit-module -enable-experimental-feature ValueGenerics -enable-experimental-feature RawLayout -disable-availability-checking -disable-experimental-parser-round-trip -parse-as-library -o %t
-// FIXME: Remove -disable-experimental-parser-round-trip after https://github.com/swiftlang/swift-syntax/pull/2859 is merged
+// RUN: %target-swift-frontend %s -emit-module -enable-experimental-feature ValueGenerics -enable-experimental-feature RawLayout -disable-availability-checking -parse-as-library -o %t
 // RUN: %target-sil-opt -enable-sil-verify-all %t/value_generics.swiftmodule -o - | %FileCheck %s
 
 // REQUIRES: swift_feature_RawLayout