go/internal/gcimporter: enable importing typeparam/issue48424.go

This is a partial revert of CL 353389, now that go/types supports
eliding interface in constraints.

For #48424

Change-Id: Ibde26fb66bf6bd5a4c919acffd045a57783d1b47
Reviewed-on: https://go-review.googlesource.com/c/go/+/354990
Trust: Robert Findley <rfindley@google.com>
Run-TryBot: Robert Findley <rfindley@google.com>
TryBot-Result: Go Bot <gobot@golang.org>
Reviewed-by: Robert Griesemer <gri@golang.org>
diff --git a/src/go/internal/gcimporter/gcimporter_test.go b/src/go/internal/gcimporter/gcimporter_test.go
index 825f735..3a9ed79 100644
--- a/src/go/internal/gcimporter/gcimporter_test.go
+++ b/src/go/internal/gcimporter/gcimporter_test.go
@@ -165,9 +165,8 @@
 	}
 
 	skip := map[string]string{
-		"equal.go":      "inconsistent embedded sorting", // TODO(rfindley): investigate this.
-		"nested.go":     "fails to compile",              // TODO(rfindley): investigate this.
-		"issue48424.go": "go/types support missing",      // TODO: need to implement this if #48424 is accepted
+		"equal.go":  "inconsistent embedded sorting", // TODO(rfindley): investigate this.
+		"nested.go": "fails to compile",              // TODO(rfindley): investigate this.
 	}
 
 	for _, entry := range list {