Migrate from cljx to cljc.

[anthonygalea]

Started migrating manually, then wrote this: https://github.com/anthonygalea/cljx/blob/master/cljx.el#L31

The only thing I corrected by hand was changing to the splicing conditional around the ^boolean type hint. i.e. after the script ran I rewrote:

#?(:cljs ^boolean) may-log?

to:

#?@(:cljs ^boolean may-log?)

Not sure how you usually go about testing. Tried a couple of calls and I see the same behaviour I see with 4.10.0:

(ns playground.timbre
  (:require [taoensso.timbre :as timbre
             :refer [log  trace  debug  info  warn  error  fatal  report
                     logf tracef debugf infof warnf errorf fatalf reportf
                     spy get-env]]))

(info "This will print")

(spy :info (* 5 4 3 2 1))

(defn my-mult [x y]
  (info "Lexical env:" (get-env))
  (* x y))

(my-mult 4 8)

[anthonygalea]

After adding support for type hints I realised the manual rewriting I did was wrong. Corrected it to: #?@(:cljs (^boolean may-log?))

[ptaoussanis]

Thanks Anthony, this looks good! Will use this in a future release.

[ptaoussanis]

Merged manually, thanks again Anthony!