fix: currency provider tracker causing price feeder to error

[rbajollari]

Description

closes: #1759

• prevent collision of coin id to coin symbol in coinIDSymbolMap
• don't stop the price feeder if coin gecko api request errors (log error and have minimum providers for the pair be 3)
• take out btc in example config
• change price-feeder timeout back to 1 minute in e2e test

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[robert-zaremba]

let's rethink the flow

[robert-zaremba]

pre-approving. Let's add missing docs: changelog, release notes, comment about the zero case for min providers...