Remove types from constants, since they didn't match what

Tick() expected.

R=rsc
DELTA=2  (0 added, 0 deleted, 2 changed)
OCL=22979
CL=22986

src/lib/time/tick_test.go

@@ -11,8 +11,8 @@ import (
 
 export func TestTick(t *testing.T) {
 	const (
-		Delta uint64 = 100*1e6;
-		Count uint64 = 10;
+		Delta = 100*1e6;
+		Count = 10;
 	);
 	c := Tick(Delta);
 	t0 := Nanoseconds();