[dev.typeparams] cmd/compile: re-enable internal/types2 test

CL 279531 disabled these because they were causing
trouble with the automation for the big move.
The big move is over. Reenable them.

Change-Id: I2b06f619a114ebcc9b9af73ce0d5b68ebaeaac03
Reviewed-on: https://go-review.googlesource.com/c/go/+/279993
Trust: Russ Cox <rsc@golang.org>
Run-TryBot: Russ Cox <rsc@golang.org>
TryBot-Result: Go Bot <gobot@golang.org>
Reviewed-by: Matthew Dempsky <mdempsky@google.com>

src/cmd/compile/internal/types2/api_test.go

@@ -1,5 +1,3 @@
-// +build TODO_RSC_REMOVE_THIS
-
 // UNREVIEWED
 // Copyright 2013 The Go Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style

src/cmd/compile/internal/types2/builtins_test.go

@@ -1,5 +1,3 @@
-// +build TODO_RSC_REMOVE_THIS
-
 // UNREVIEWED
 // Copyright 2013 The Go Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style

src/cmd/compile/internal/types2/check_test.go

@@ -1,5 +1,3 @@
-// +build TODO_RSC_REMOVE_THIS
-
 // UNREVIEWED
 // Copyright 2011 The Go Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style

src/cmd/compile/internal/types2/example_test.go

@@ -1,5 +1,3 @@
-// +build TODO_RSC_REMOVE_THIS
-
 // UNREVIEWED
 // Copyright 2015 The Go Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style

src/cmd/compile/internal/types2/exprstring_test.go

@@ -1,5 +1,3 @@
-// +build TODO_RSC_REMOVE_THIS
-
 // UNREVIEWED
 // Copyright 2013 The Go Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style

src/cmd/compile/internal/types2/hilbert_test.go

@@ -1,5 +1,3 @@
-// +build TODO_RSC_REMOVE_THIS
-
 // Copyright 2013 The Go Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.

src/cmd/compile/internal/types2/importer_test.go

@@ -1,5 +1,3 @@
-// +build TODO_RSC_REMOVE_THIS
-
 // UNREVIEWED
 // Copyright 2020 The Go Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style

src/cmd/compile/internal/types2/issues_test.go

@@ -1,5 +1,3 @@
-// +build TODO_RSC_REMOVE_THIS
-
 // UNREVIEWED
 // Copyright 2013 The Go Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style

src/cmd/compile/internal/types2/resolver_test.go

@@ -1,5 +1,3 @@
-// +build TODO_RSC_REMOVE_THIS
-
 // UNREVIEWED
 // Copyright 2011 The Go Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style

src/cmd/compile/internal/types2/self_test.go

@@ -1,5 +1,3 @@
-// +build TODO_RSC_REMOVE_THIS
-
 // UNREVIEWED
 // Copyright 2013 The Go Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style

src/cmd/compile/internal/types2/sizes_test.go

@@ -1,5 +1,3 @@
-// +build TODO_RSC_REMOVE_THIS
-
 // UNREVIEWED
 // Copyright 2016 The Go Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style

src/cmd/compile/internal/types2/stdlib_test.go

@@ -1,5 +1,3 @@
-// +build TODO_RSC_REMOVE_THIS
-
 // UNREVIEWED
 // Copyright 2013 The Go Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style

src/cmd/compile/internal/types2/typestring_test.go

@@ -1,5 +1,3 @@
-// +build TODO_RSC_REMOVE_THIS
-
 // UNREVIEWED
 // Copyright 2012 The Go Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style