Add deprecation advice to developer guide.

Using the pronoun "this" here introduces ambiguity. In this particular instance it's fairly clear that the pronoun refers to searching for deprecated APIs but it is always worth some repetition for the sake of clarity.

How about:

 > Locating deprecated APIs can easily...

With a sympathetic change to the previous sentence to maintain the 'locate' terminology:

 > ... you should locate any deprecated APIs within the code that satisfy...