fix: remove unuse context

Author: liningping

_layouts/home.html

@@ -308,22 +308,6 @@
             <div class="avatar">LP</div>
             <h1>{{ site.title | default: "Ningping Li" }}</h1>
             <p class="greeting">Hello 大家好 👋</p>
-            <p class="intro">{{ content | default: "我是Ningping Li，这是我的个人网站。<br>很高兴你来到这里！你可以在以下的网站找到我：" }}</p>
-            
-            <div class="links-section">
-                <p class="links-title">🔗 找到我</p>
-                <div class="links">
-                    {% if site.github_username %}
-                    <a href="https://github.com/{{ site.github_username }}" class="link-item" target="_blank"><span>GitHub</span></a>
-                    {% endif %}
-                    {% if site.linkedin_username %}
-                    <a href="https://linkedin.com/in/{{ site.linkedin_username }}" class="link-item" target="_blank"><span>LinkedIn</span></a>
-                    {% endif %}
-                    {% if site.twitter_username %}
-                    <a href="https://twitter.com/{{ site.twitter_username }}" class="link-item" target="_blank"><span>Twitter</span></a>
-                    {% endif %}
-                </div>
-            </div>
 
             {% if site.posts.size > 0 %}
             <div class="blog-link">