Remove unused class PersonalDictionaryLookup

PersonalDictionaryLookup has never been used.  Usually proguard can
remove this class but it also makes it difficult to run unit tests.

We should just remove this unused class.

Bug: 111164993
Test: compile
Test: No new test failure
Change-Id: I732db94cb3aac4ed9c6b5954679b896334a12a9c
2 files changed
tree: 8b2d6bfd3571da3993d98d0d074b8e5a9773af10
  1. common/
  2. dictionaries/
  3. java/
  4. native/
  5. tests/
  6. tools/
  7. Android.mk
  8. CleanSpec.mk