gopls/internal/regtest: skip TestDeleteModule_Interdependent

This test is flaky due to orphaned file reloading. Since it is for an
experimental feature, skip it until we understand the problem.

For golang/go#46375
Updates golang/go#46183

Change-Id: Id6b369f2b61730c8503e3532547708f7689343c3
Reviewed-on: https://go-review.googlesource.com/c/tools/+/322649
Trust: Robert Findley <rfindley@google.com>
Run-TryBot: Robert Findley <rfindley@google.com>
gopls-CI: kokoro <noreply+kokoro@google.com>
TryBot-Result: Go Bot <gobot@golang.org>
Reviewed-by: Rebecca Stambler <rstambler@golang.org>

gopls/internal/regtest/workspace/workspace_test.go

@@ -305,6 +305,8 @@ func main() {
 // This change tests that the version of the module used changes after it has
 // been deleted from the workspace.
 func TestDeleteModule_Interdependent(t *testing.T) {
+	t.Skip("Skipping due to golang/go#46375: race due to orphaned file reloading")
+
 	const multiModule = `
 -- moda/a/go.mod --
 module a.com