Remove method that doesn't typecheck.
Remove method that doesn't typecheck.

It already has suppress checkTypes, but it doesn't look used anyways.

RELNOTES: Removing deprecated method,
goog.ui.AbstractSpellChecker.prototype.getHandler
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Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=117473085

redforks/closure-library,redforks/closure-library,platinumpixs/google-closure-library,ChadKillingsworth/closure-library,ChadKillingsworth/closure-library,joeltine/closure-library,joeltine/closure-library,redforks/closure-library,codyebberson/closure-library,Dominator008/closure-library,Dominator008/closure-library,teppeis/closure-library,ChadKillingsworth/closure-library,ralic/closure-library,ikabirov/closure-library,codyebberson/closure-library,ikabirov/closure-library,Dominator008/closure-library,teppeis/closure-library,joeltine/closure-library,Medium/closure-library,Medium/closure-library,ralic/closure-library,google/closure-library,google/closure-library,ikabirov/closure-library,redforks/closure-library,platinumpixs/google-closure-library,teppeis/closure-library,google/closure-library,lucidsoftware/closure-library,lucidsoftware/closure-library,lucidsoftware/closure-library,ralic/closure-library,Medium/closure-library,google/closure-library,joeltine/closure-library,platinumpixs/google-closure-library,ChadKillingsworth/closure-library,codyebberson/closure-library,codyebberson/closure-library,ralic/closure-library,Medium/closure-library,platinumpixs/google-closure-library,google/closure-library,lucidsoftware/closure-library,teppeis/closure-library,Dominator008/closure-library,ikabirov/closure-library