chore: ignore gem lock file in user-end

Author: cotes2020

_posts/2019-08-09-getting-started.md

@@ -43,9 +43,7 @@ The above command will:
 
 2. If the option `--no-gh` is provided, the directory `.github`{: .filepath} will be deleted. Otherwise, set up the GitHub Action workflow by removing the extension `.hook`{: .filepath} of `.github/workflows/pages-deploy.yml.hook`{: .filepath}, and then remove the other files and directories in the folder `.github`{: .filepath}.
 
-3. Remove item `Gemfile.lock` from `.gitignore`{: .filepath}.
-
-4. Create a new commit to save the changes automatically.
+3. Create a new commit to save the changes automatically.
 
 ### Installing Dependencies
 

tools/init

@@ -66,10 +66,6 @@ init_files() {
     rm -f _config.yml.$TEMP_SUFFIX
   fi
 
-  # trace the gem lockfile on user-end
-  sed -i.$TEMP_SUFFIX "/Gemfile.lock/d" .gitignore
-  rm -f ".gitignore.$TEMP_SUFFIX"
-
   # remove the other fies
   rm -rf _posts/*