Update documentation on automocking

docs/Configuration.md

@@ -89,10 +89,6 @@ test('if utils mocked automatically', () => {
 });
 ```
 
-If you are introducing Jest to a large organization with an existing codebase
-but few tests, enabling this option can be helpful to introduce unit tests
-gradually. Modules can be explicitly auto-mocked using `jest.mock(moduleName)`.
-
 _Note: Core modules, like `fs`, are not mocked by default. They can be mocked
 explicitly, like `jest.mock('fs')`._