refactor($parse): remove dead code

Closes #9489

Author: jbedard

src/ng/parse.js

@@ -99,7 +99,6 @@ CONSTANTS['this'].sharedGetter = true;
 
 //Operators - will be wrapped by binaryFn/unaryFn/assignment/filter
 var OPERATORS = extend(createMap(), {
-    /* jshint bitwise : false */
     '+':function(self, locals, a,b){
       a=a(self, locals); b=b(self, locals);
       if (isDefined(a)) {
@@ -116,7 +115,6 @@ var OPERATORS = extend(createMap(), {
     '*':function(self, locals, a,b){return a(self, locals)*b(self, locals);},
     '/':function(self, locals, a,b){return a(self, locals)/b(self, locals);},
     '%':function(self, locals, a,b){return a(self, locals)%b(self, locals);},
-    '^':function(self, locals, a,b){return a(self, locals)^b(self, locals);},
     '===':function(self, locals, a, b){return a(self, locals)===b(self, locals);},
     '!==':function(self, locals, a, b){return a(self, locals)!==b(self, locals);},
     '==':function(self, locals, a,b){return a(self, locals)==b(self, locals);},
@@ -127,14 +125,12 @@ var OPERATORS = extend(createMap(), {
     '>=':function(self, locals, a,b){return a(self, locals)>=b(self, locals);},
     '&&':function(self, locals, a,b){return a(self, locals)&&b(self, locals);},
     '||':function(self, locals, a,b){return a(self, locals)||b(self, locals);},
-    '&':function(self, locals, a,b){return a(self, locals)&b(self, locals);},
     '!':function(self, locals, a){return !a(self, locals);},
 
     //Tokenized as operators but parsed as assignment/filters
     '=':true,
     '|':true
 });
-/* jshint bitwise: true */
 var ESCAPE = {"n":"\n", "f":"\f", "r":"\r", "t":"\t", "v":"\v", "'":"'", '"':'"'};