Code style: Remove unnecessary "eslint-disable" directives

Part of #407.

benchmark/run

@@ -3,7 +3,6 @@
 "use strict";
 
 /* eslint-env node */
-/* eslint-disable no-console */
 
 let Runner = require("./runner.js");
 let benchmarks = require("./benchmarks.js");

benchmark/server

@@ -3,7 +3,6 @@
 "use strict";
 
 /* eslint-env node */
-/* eslint-disable no-console */
 
 // Small server whose main purpose is to ensure that both the benchmarked code
 // and the benchmark get passed through Babel & Browserify before they are

spec/api/generated-parser-api.spec.js

@@ -1,6 +1,5 @@
 "use strict";
 
-/* eslint-disable no-console */
 /* global console */
 
 let peg = require("../../lib/peg");

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

@@ -1,6 +1,5 @@
 "use strict";
 
-/* eslint-disable no-console */
 /* global console */
 
 let peg = require("../../lib/peg");

spec/server

@@ -3,7 +3,6 @@
 "use strict";
 
 /* eslint-env node */
-/* eslint-disable no-console */
 
 // Small server whose main purpose is to ensure that both the specced code and
 // the specs get passed through Babel & Browserify before they are served to the