test: remove semiocolons.
The ken directory is untouched so we have some examples with explicit semis.

R=gri
CC=golang-dev
https://golang.org/cl/2157041
diff --git a/test/interface/convert2.go b/test/interface/convert2.go
index 0eff6a9..658b1a9 100644
--- a/test/interface/convert2.go
+++ b/test/interface/convert2.go
@@ -9,17 +9,17 @@
 
 package main
 
-type R interface { R(); }
-type RW interface { R(); W(); }
+type R interface { R() }
+type RW interface { R(); W() }
 
 var e interface {}
-var r R;
-var rw RW;
+var r R
+var rw RW
 
 func main() {
-	r = r;
-	r = rw;
-	e = r;
-	e = rw;
-	rw = rw;
+	r = r
+	r = rw
+	e = r
+	e = rw
+	rw = rw
 }