TBR renaming v.io/core/veyron to v.io/x/ref

(and getting rid of unused shell scripts)

MultiPart: 5/13
Change-Id: I09d9df0f4dc7df3d5ca5588513be27b08fe1fd4a
diff --git a/runtimes/google/ipc/benchmark/benchmarkd/main.go b/runtimes/google/ipc/benchmark/benchmarkd/main.go
index 94ea0d1..92db8b9 100644
--- a/runtimes/google/ipc/benchmark/benchmarkd/main.go
+++ b/runtimes/google/ipc/benchmark/benchmarkd/main.go
@@ -5,9 +5,9 @@
 	"v.io/v23"
 	"v.io/x/lib/vlog"
 
-	"v.io/core/veyron/lib/signals"
-	_ "v.io/core/veyron/profiles/roaming"
-	"v.io/core/veyron/runtimes/google/ipc/benchmark/internal"
+	"v.io/x/ref/lib/signals"
+	_ "v.io/x/ref/profiles/roaming"
+	"v.io/x/ref/runtimes/google/ipc/benchmark/internal"
 )
 
 func main() {