Remove completeCallback from suite as its unused

src/core/Env.js

@@ -145,7 +145,6 @@ getJasmineRequireObj().Env = function(j$) {
       id: getNextSuiteId(),
       description: 'Jasmine__TopLevel__Suite',
       queueRunner: queueRunnerFactory,
-      completeCallback: function() {}, // TODO - hook this up
       resultCallback: function() {} // TODO - hook this up
     });
     runnableLookupTable[topSuite.id] = topSuite;

src/core/Suite.js

@@ -5,7 +5,6 @@ getJasmineRequireObj().Suite = function() {
     this.parentSuite = attrs.parentSuite;
     this.description = attrs.description;
     this.onStart = attrs.onStart || function() {};
-    this.completeCallback = attrs.completeCallback || function() {}; // TODO: this is unused
     this.resultCallback = attrs.resultCallback || function() {};
     this.clearStack = attrs.clearStack || function(fn) {fn();};