Remove old cc-frame-viewer now that it is upstreamed into trace_viewer

tools/cc-frame-viewer/third_party/gl-matrix/spec/helpers/spec-helper.js

-var HELPER_MATCHERS = (function() {
-  var EPSILON = 0.00001;
-  
-  return {
-    /*
-      Returns true if `actual` has the same length as `expected`, and
-      if each element of both arrays is within 0.000001 of each other.
-      This is a way to check for "equal enough" conditions, as a way
-      of working around floating point imprecision.
-    */
-    toBeEqualish: function(expected) {
-      if (typeof(this.actual) == 'number')
-        return Math.abs(this.actual - expected) < EPSILON;
-
-      if (this.actual.length != expected.length) return false;
-      for (var i = 0; i < this.actual.length; i++) {
-        if (isNaN(this.actual[i]) !== isNaN(expected[i]))
-          return false;
-        if (Math.abs(this.actual[i] - expected[i]) >= EPSILON)
-          return false;
-      }
-      return true;
-    }
-  };
-})();
-
-beforeEach(function() {
-  this.addMatchers(HELPER_MATCHERS);
-});
-
-if (typeof(global) != 'undefined')
-  global.HELPER_MATCHERS = HELPER_MATCHERS;