Remove /config endpoint

We seem to have went with stashing relevant configuration onto
`/poll/:currency` result.

test/api/configTest.js

@@ -1,71 +0,0 @@
-/*
- * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
- * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
- * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- * DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
- * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
- * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
- * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
- * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
- * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
- * POSSIBILITY OF SUCH DAMAGE.
- */
-
-'use strict';
-
-var assert = require('chai').assert;
-
-var LamassuConfig = require('lamassu-config');
-var con = 'psql://lamassu:lamassu@localhost/lamassu';
-var config = new LamassuConfig(con);
-
-var jsonquest = require('jsonquest');
-var express = require('express');
-var app = express();
-var testPort = 4000;
-
-var cfg;
-
-describe('configurations test', function(){
-
-  beforeEach(function(done) {
-
-    app.listen(testPort);
-    config.load(function(err, results) {
-      assert.isNull(err);
-      assert.ok(results.ok);
-
-      cfg = results.config;
-
-      done();
-    });
-  });
-
-
-  it('should get configurations from remote server', function(done) {
-    this.timeout(1000000);
-
-    var api = require('../../lib/atm-api');
-    api.init(app, cfg);
-
-    // make the request
-    setTimeout(function() {
-      jsonquest({
-        host: 'localhost',
-        port: testPort,
-        path: '/config',
-        method: 'GET',
-        protocol: 'http'
-      }, function (err, res, body) {
-        assert.isNull(err);
-        assert.equal(res.statusCode, 200);
-
-        assert.isNull(body.err);
-        assert.ok(body.results);
-
-        done();
-      });
-    }, 2000);
-  });
-});