remove lein-cljsbuild since not used at all

DEVELOPER.md

@@ -7,6 +7,6 @@ lein test com.rpl.specter.core-test
 # Running ClojureScript tests
 
 ```
-$ rlwrap java -cp `lein classpath`:cljs.jar clojure.main repl.clj
+$ rlwrap java -cp `lein classpath` clojure.main repl.clj
 cljs.user=> (require 'com.rpl.specter.cljs-test-runner)
 ```

project.clj

@@ -2,23 +2,11 @@
 
 (defproject com.rpl/specter VERSION
   :dependencies [[org.clojure/clojure "1.7.0"]
-                 ;;TODO: how to make this a dep of only the cljs version?
                  [org.clojure/clojurescript "0.0-3308"]
                  ]
   :jvm-opts ["-XX:-OmitStackTraceInFastThrow"] ; this prevents JVM from doing optimizations which can remove stack traces from NPE and other exceptions
-  :plugins [[lein-cljsbuild "1.0.6"]]
   :source-paths ["src"]
   :test-paths ["test"]
   :profiles {:dev {:dependencies
                    [[org.clojure/test.check "0.7.0"]]}
-             }
-  :cljsbuild {
-    :builds {:dev
-             {:source-paths ["src"]
-              :compiler {
-                         :output-to "target/main.js"
-                         :optimizations :whitespace
-                         :pretty-print true
-                         }}
-             }
-    })
+             })