[doc] [#64] Hide some unimportant vars from API docs (@marksto)

Motivation:

  These vars aren't used often, are are supplementary rather than
  a key part of Telemere's API.

  Having them listed in the API docs adds to the noise there and makes
  the API seem more overwhelming than necessary.

main/src/taoensso/telemere.cljc

@@ -69,13 +69,13 @@
 
 (enc/defaliases
   ;; Encore
-  #?(:clj enc/set-var-root!)
-  #?(:clj enc/update-var-root!)
+  #?(:clj ^:no-doc enc/set-var-root!)
+  #?(:clj ^:no-doc enc/update-var-root!)
   #?(:clj enc/get-env)
   #?(:clj enc/call-on-shutdown!)
-  enc/chance
+  ^:no-doc enc/chance
   enc/rate-limiter
-  enc/newline
+  ^:no-doc enc/newline
   sigs/comp-xfn
   #?(:clj truss/keep-callsite)