Removed invalid anchors in the README.

Author: daveverwer

README.md

@@ -63,10 +63,6 @@ expect(ocean.isClean).toEventually(beTruthy())
   - [Supporting Objective-C](#supporting-objective-c)
     - [Properly Handling `nil` in Objective-C Matchers](#properly-handling-nil-in-objective-c-matchers)
   - [Migrating from the Old Matcher API](#migrating-from-the-old-matcher-api)
-    - [Minimal Step - Use `.predicate`](#minimal-step---use-predicate)
-    - [Convert to use `Predicate` Type with Old Matcher Constructor](#convert-to-use-predicate-type-with-old-matcher-constructor)
-    - [Convert to `Predicate` Type with Preferred Constructor](#convert-to-predicate-type-with-preferred-constructor)
-    - [Deprecation Roadmap](#deprecation-roadmap)
 - [Installing Nimble](#installing-nimble)
   - [Installing Nimble as a Submodule](#installing-nimble-as-a-submodule)
   - [Installing Nimble via CocoaPods](#installing-nimble-via-cocoapods)