[remove] remove unnecessary content.

Author: Koooooo-7

docs/deploy.md

@@ -147,7 +147,6 @@ frontend:
   You need prepare the initial files (generated by run `docsify init ./docs`) instead of making in container.
 
   ```sh
-  .nojekyll
   index.html
   README.md
   ```
@@ -156,7 +155,6 @@ frontend:
 
   ```Dockerfile
     FROM node:latest
-    MAINTAINER Koooooo-7(https://github.com/Koooooo-7)
     LABEL description="A demo Dockerfile for build Docsify."
     WORKDIR /docs
     RUN npm install -g docsify-cli@latest
@@ -168,7 +166,6 @@ frontend:
   So, current directory structure should be this: 
 
   ```sh
-   .nojekyll
    index.html
    README.md
    Dockerfile