Remove Windows from Travis's tests.

Cannot test due to a mkcert incompatibility with Travis on Windows.

Author: daquinoaldo

.travis.yml

@@ -1,7 +1,6 @@
 os:
 - osx
 - linux
-- windows
 
 language: node_js
 node_js:

test/test.js

@@ -127,8 +127,6 @@ describe("Testing the installation script", function() {
   this.timeout(300000)
 
   it("installs correctly", async function() {
-    // Cannot test on Travis on Windows
-    if (process.env.TRAVIS && process.platform === "win32") return
     await require("../cert/generate.js")()
     assert(fs.existsSync("cert/localhost.crt"))
     assert(fs.existsSync("cert/localhost.key"))