Removed documentation from empty functions

The documentation is available in godbc.go

godbc_prod.go

@@ -17,68 +17,26 @@
 
 package godbc
 
-// InvariantSimpleTester is an interface which provides a receiver to
-// test the object
 type InvariantSimpleTester interface {
 	Invariant() bool
 }
 
-// InvariantTester is an interface which provides not only an Invariant(),
-// but also a receiver to print the structure
 type InvariantTester interface {
 	InvariantSimpleTester
 	String() string
 }
 
-// Require checks that the preconditions are satisfied before
-// executing the function
-//
-// Example Code
-//
-// 		func Divide(a, b int) int {
-//			godbc.Require(b != 0)
-//			return a/b
-// 		}
-//
 func Require(b bool, message ...interface{}) {
 }
 
-// Ensure checks the postconditions are satisfied before returning
-// to the caller.
-//
-// Example Code
-//
-//		type Data struct {
-//			a int
-//		}
-//
-// 		func (*d Data) Set(a int) {
-//			d.a = a
-//			godbc.Ensure(d.a == a)
-// 		}
-//
 func Ensure(b bool, message ...interface{}) {
 }
 
-// Check provides a simple assert
 func Check(b bool, message ...interface{}) {
 }
 
-// InvariantSimple calls the objects Invariant() receiver to test
-// the object for correctness.
-//
-// The caller object must provide an object that supports the
-// interface InvariantSimpleTester and does not need to provide
-// a String() receiver
 func InvariantSimple(obj InvariantSimpleTester, message ...interface{}) {
 }
 
-// Invariant calls the objects Invariant() receiver to test
-// the object for correctness.
-//
-// The caller object must provide an object that supports the
-// interface InvariantTester
-//
-// To see an example, please take a look at the godbc_test.go
 func Invariant(obj InvariantTester, message ...interface{}) {
 }