Remove ErrorHandler workaround added in 1.14

[squakez]

With [1] we had to introduce a workaround that is going to be likely removed in next 3.18 and 3.19 Camel version [2]. This is a follow up issue to remove such a workaround once the API will be updated in Camel.

[1] 0d5a3e9
[2] apache/camel@adc87b1