fix(dep): drop dependency on safe-buffer (#230)

Author: JustinBeckwith

handwritten/bigtable/package.json

@@ -77,7 +77,6 @@
     "protobufjs": "^6.8.0",
     "pumpify": "^1.3.3",
     "retry-request": "^4.0.0",
-    "safe-buffer": "^5.1.1",
     "stream-events": "^1.0.2",
     "string-format-obj": "^1.0.0",
     "through2": "^2.0.3"

handwritten/bigtable/src/mutation.js

@@ -15,7 +15,6 @@
  */
 
 const arrify = require('arrify');
-const Buffer = require('safe-buffer').Buffer;
 const Long = require('long');
 const is = require('is');
 

handwritten/bigtable/test/mutation.js

@@ -17,7 +17,6 @@
 'use strict';
 
 var assert = require('assert');
-var Buffer = require('safe-buffer').Buffer;
 var Long = require('long');
 var Mutation = require('../src/mutation.js');
 var sinon = require('sinon').createSandbox();