Replace pkg/refs with pkg/refsvfs2.

All VFS1 only bits have been deleted.

Updates #1624

PiperOrigin-RevId: 492273183

pkg/sentry/inet/BUILD

@@ -11,7 +11,7 @@ go_template_instance(
     out = "namespace_refs.go",
     package = "inet",
     prefix = "namespace",
-    template = "//pkg/refsvfs2:refs_template",
+    template = "//pkg/refs:refs_template",
     types = {
         "T": "Namespace",
     },
@@ -42,7 +42,7 @@ go_library(
         "//pkg/abi/linux",
         "//pkg/atomicbitops",
         "//pkg/context",
-        "//pkg/refsvfs2",
+        "//pkg/refs",
         "//pkg/tcpip",
         "//pkg/tcpip/stack",
     ],