test(update): Remove unnecesary verbose

tests/testsuite/git.rs

@@ -1372,7 +1372,7 @@ fn dep_with_changed_submodule() {
     sleep_ms(1000);
     // Update the dependency and carry on!
     println!("update");
-    p.cargo("update -v")
+    p.cargo("update")
         .with_stderr("")
         .with_stderr(&format!(
             "[UPDATING] git repository `{}`\n\

tests/testsuite/local_registry.rs

@@ -183,7 +183,7 @@ fn multiple_versions() {
         .file("src/lib.rs", "pub fn bar() {}")
         .publish();
 
-    p.cargo("update -v")
+    p.cargo("update")
         .with_stderr("[UPDATING] bar v0.1.0 -> v0.2.0")
         .run();
 }