If a PC has proficient in Intimidate, does that apply to out fles or bully/scare?

@JeremyECrawford if a PC has prof in Intimidate, does that apply to Intimidate (Str) [out flex] or just to Intimidate (Cha) [bully/scare]?

— Tim Wilder (@mrprotoman) March 11, 2017

Having proficiency in a skill means you get to use your proficiency bonus whenever you use the skill, no matter the associated ability. #DnD https://t.co/G11q7VcGod

— Jeremy Crawford (@JeremyECrawford) March 11, 2017