Make the error overlay trimming optional

[vemv]

Context

#3338 (reply in thread)

Task

Extract

cider/cider-eval.el

Lines 860 to 864 in b83c997

	(replace-regexp-in-string cider-clojure-compilation-regexp
	"")
	(replace-regexp-in-string cider-module-info-regexp
	"")
	(string-trim))))

to a defun, and make its application optional.