Unfork unrolled/secure.

Now that https://github.com/unrolled/secure/pull/46 has landed.

Bug: skia:
Change-Id: I41c67d23a731026dbc94e1f5f8f439f2ffda0ab0
Reviewed-on: https://skia-review.googlesource.com/c/180774
Reviewed-by: Joe Gregorio <jcgregorio@google.com>
diff --git a/am/go/alert-manager/main.go b/am/go/alert-manager/main.go
index 19faf60..c3e6a79 100644
--- a/am/go/alert-manager/main.go
+++ b/am/go/alert-manager/main.go
@@ -14,7 +14,6 @@
 
 	"cloud.google.com/go/pubsub"
 	"github.com/gorilla/mux"
-	"github.com/skia-dev/secure"
 	"go.skia.org/infra/am/go/incident"
 	"go.skia.org/infra/am/go/note"
 	"go.skia.org/infra/am/go/silence"
@@ -30,6 +29,7 @@
 	"go.skia.org/infra/go/sklog"
 	"go.skia.org/infra/go/util"
 	"google.golang.org/api/option"
+	"gopkg.in/unrolled/secure.v1"
 )
 
 // flags
diff --git a/go/baseapp/baseapp.go b/go/baseapp/baseapp.go
index 5f48b8a..ec43c35 100644
--- a/go/baseapp/baseapp.go
+++ b/go/baseapp/baseapp.go
@@ -10,10 +10,10 @@
 	"time"
 
 	"github.com/gorilla/mux"
-	"github.com/skia-dev/secure"
 	"go.skia.org/infra/go/common"
 	"go.skia.org/infra/go/httputils"
 	"go.skia.org/infra/go/sklog"
+	"gopkg.in/unrolled/secure.v1"
 )
 
 var (