chore(deps): remove devDependency safe-buffer (#191)

Author: Phillip9587

package.json

@@ -21,7 +21,6 @@
     "eslint-plugin-standard": "4.1.0",
     "mocha": "^10.7.0",
     "nyc": "^17.0.0",
-    "safe-buffer": "^5.2.1",
     "supertest": "^6.3.4"
   },
   "files": [

test/test.js

@@ -1,6 +1,5 @@
 
 var assert = require('assert')
-var Buffer = require('safe-buffer').Buffer
 var http = require('http')
 var path = require('path')
 var request = require('supertest')