Eliminate misuses of errors.Wrapf

In many cases code is calling errors.Wrapf with an arbitrary string
instead of a format string. This causes confusing errors when the
wrapped error message contains '%' characters.

This change replaces such calls with calls to errors.Wrap.

Signed-off-by: John Starks <jostarks@microsoft.com>

errdefs/grpc.go

@@ -95,7 +95,7 @@ func FromGRPC(err error) error {
 
 	msg := rebaseMessage(cls, err)
 	if msg != "" {
-		err = errors.Wrapf(cls, msg)
+		err = errors.Wrap(cls, msg)
 	} else {
 		err = errors.WithStack(cls)
 	}