Remove page timing debug information.

cmd/passgo-gui/main.go

@@ -767,9 +767,7 @@ func eventLoop() {
 							titleflex.Layout(gtx, ct1, ct2, ct3)
 						})
 
-						stime := time.Now()
 						page()
-						fmt.Printf("page in %s\n", time.Since(stime))
 					})
 				})