remove old less require spec

spec/stdlib/require-spec.coffee

@@ -1,19 +0,0 @@
-{less} = require('less')
-
-describe "require", ->
-  describe "files with a `.less` extension", ->
-    it "parses valid files into css", ->
-      output = require(project.resolve("sample.less"))
-      expect(output).toBe """
-        #header {
-          color: #4d926f;
-        }
-        h2 {
-          color: #4d926f;
-        }
-
-      """
-
-    it "throws an error when parsing invalid file", ->
-      functionWithError = (-> require(project.resolve("sample-with-error.less")))
-      expect(functionWithError).toThrow()