Remove API Key from config file.

Author: Shellcheff

config/config.json

@@ -4,7 +4,7 @@
     "appname":"go-newsapi",
     "logfile":"newsapi.log",
     "apiurl":"https://newsapi.org/v2/",
-    "apikey":"a21992b5da9347d1bcad09489cec1840",
+    "apikey":"-",
     "databasename":"data/wanpan.db",
     "keyfile":"./extras/ssl/server.key",
     "crtfile":"./extras/ssl/server.crt"