Use faraday retry, move retry logic to concrete provider level (#2042)

lib/retryable.rb

@@ -1,19 +0,0 @@
-module Retryable
-  def retrying(retryable_errors = [], max_retries: 3)
-    attempts = 0
-
-    begin
-      on_last_attempt = attempts == max_retries - 1
-
-      yield on_last_attempt
-    rescue *retryable_errors => e
-      attempts += 1
-
-      if attempts < max_retries
-        retry
-      else
-        raise e
-      end
-    end
-  end
-end