Remove trailing commas in object literals

They broke IE 8-9.

lib/utils/classes.js

@@ -6,7 +6,7 @@ var classes = {
     function ctor() { this.constructor = child; }
     ctor.prototype = parent.prototype;
     child.prototype = new ctor();
-  },
+  }
 };
 
 module.exports = classes;

spec/api/plugin-api.spec.js

@@ -33,7 +33,7 @@ describe("plugin API", function() {
         };
 
         return typeof this.actual === "function";
-      },
+      }
     });
   });
 

spec/behavior/generated-parser-behavior.spec.js

@@ -601,31 +601,31 @@ describe("generated parser behavior", function() {
 
           expect(parser).toParse("1\n2\n\n3\n\n\n4 5 x", {
             start: { offset: 13, line: 7, column: 5 },
-            end:   { offset: 13, line: 7, column: 5 },
+            end:   { offset: 13, line: 7, column: 5 }
           });
 
           /* Non-Unix newlines */
           expect(parser).toParse("1\rx", {     // Old Mac
             start: { offset: 2, line: 2, column: 1 },
-            end:   { offset: 2, line: 2, column: 1 },
+            end:   { offset: 2, line: 2, column: 1 }
           });
           expect(parser).toParse("1\r\nx", {   // Windows
             start: { offset: 3, line: 2, column: 1 },
-            end:   { offset: 3, line: 2, column: 1 },
+            end:   { offset: 3, line: 2, column: 1 }
           });
           expect(parser).toParse("1\n\rx", {   // mismatched
             start: { offset: 3, line: 3, column: 1 },
-            end:   { offset: 3, line: 3, column: 1 },
+            end:   { offset: 3, line: 3, column: 1 }
           });
 
           /* Strange newlines */
           expect(parser).toParse("1\u2028x", {   // line separator
             start: { offset: 2, line: 2, column: 1 },
-            end:   { offset: 2, line: 2, column: 1 },
+            end:   { offset: 2, line: 2, column: 1 }
           });
           expect(parser).toParse("1\u2029x", {   // paragraph separator
             start: { offset: 2, line: 2, column: 1 },
-            end:   { offset: 2, line: 2, column: 1 },
+            end:   { offset: 2, line: 2, column: 1 }
           });
         });
       });
@@ -814,31 +814,31 @@ describe("generated parser behavior", function() {
 
           expect(parser).toParse("1\n2\n\n3\n\n\n4 5 x", {
             start: { offset: 13, line: 7, column: 5 },
-            end:   { offset: 13, line: 7, column: 5 },
+            end:   { offset: 13, line: 7, column: 5 }
           });
 
           /* Non-Unix newlines */
           expect(parser).toParse("1\rx", {     // Old Mac
             start: { offset: 2, line: 2, column: 1 },
-            end:   { offset: 2, line: 2, column: 1 },
+            end:   { offset: 2, line: 2, column: 1 }
           });
           expect(parser).toParse("1\r\nx", {   // Windows
             start: { offset: 3, line: 2, column: 1 },
-            end:   { offset: 3, line: 2, column: 1 },
+            end:   { offset: 3, line: 2, column: 1 }
           });
           expect(parser).toParse("1\n\rx", {   // mismatched
             start: { offset: 3, line: 3, column: 1 },
-            end:   { offset: 3, line: 3, column: 1 },
+            end:   { offset: 3, line: 3, column: 1 }
           });
 
           /* Strange newlines */
           expect(parser).toParse("1\u2028x", {   // line separator
             start: { offset: 2, line: 2, column: 1 },
-            end:   { offset: 2, line: 2, column: 1 },
+            end:   { offset: 2, line: 2, column: 1 }
           });
           expect(parser).toParse("1\u2029x", {   // paragraph separator
             start: { offset: 2, line: 2, column: 1 },
-            end:   { offset: 2, line: 2, column: 1 },
+            end:   { offset: 2, line: 2, column: 1 }
           });
         });
       });
@@ -1232,31 +1232,31 @@ describe("generated parser behavior", function() {
 
             expect(parser).toParse("1\n2\n\n3\n\n\n4 5 x", {
               start: { offset: 13, line: 7, column: 5 },
-              end:   { offset: 14, line: 7, column: 6 },
+              end:   { offset: 14, line: 7, column: 6 }
             });
 
             /* Non-Unix newlines */
             expect(parser).toParse("1\rx", {     // Old Mac
               start: { offset: 2, line: 2, column: 1 },
-              end:   { offset: 3, line: 2, column: 2 },
+              end:   { offset: 3, line: 2, column: 2 }
             });
             expect(parser).toParse("1\r\nx", {   // Windows
               start: { offset: 3, line: 2, column: 1 },
-              end:   { offset: 4, line: 2, column: 2 },
+              end:   { offset: 4, line: 2, column: 2 }
             });
             expect(parser).toParse("1\n\rx", {   // mismatched
               start: { offset: 3, line: 3, column: 1 },
-              end:   { offset: 4, line: 3, column: 2 },
+              end:   { offset: 4, line: 3, column: 2 }
             });
 
             /* Strange newlines */
             expect(parser).toParse("1\u2028x", {   // line separator
               start: { offset: 2, line: 2, column: 1 },
-              end:   { offset: 3, line: 2, column: 2 },
+              end:   { offset: 3, line: 2, column: 2 }
             });
             expect(parser).toParse("1\u2029x", {   // paragraph separator
               start: { offset: 2, line: 2, column: 1 },
-              end:   { offset: 3, line: 2, column: 2 },
+              end:   { offset: 3, line: 2, column: 2 }
             });
           });