feat(killgoerli): remove temp banner (#1006)

Author: githubdoramon

docs/.vuepress/styles/index.scss

@@ -840,62 +840,4 @@ $border-color: #e5e7eb;
             --code-bg-color: #131417;
         }
     }
-
-    // TEMP BANNER RELATED - TO BE REMOVED ONCE IT IS GONE
-    .theme-container {
-        margin-top: 30px;
-    }
-
-    #temp-banner {
-        position: fixed;
-        display: flex;
-        top:0;
-        left: 0;
-        right: 0;
-        height: 30px;
-        background: #1755F4;
-        color: white;
-        font-size: small;
-        align-items: center;
-        justify-content: center;
-        z-index: 1000;
-
-        a {
-            color: white;
-            text-decoration: underline;
-        }
-        padding: 0 4px;
-    }
-
-    .navbar {
-        top: 30px;
-    }
-
-    /*responsive*/
-    @media(max-width: 1000px){
-        #temp-banner {
-            height: 40px;
-        }
-
-        .navbar {
-            top: 40px;
-        }
-
-        .theme-container {
-            margin-top: 40px;
-        }
-    }
-
-     @media(max-width: 500px){
-        #temp-banner {
-            height: 60px;
-        }
-
-        .navbar {
-            top: 60px;
-        }
-
-        .theme-container {
-            margin-top: 60px;
-        }
-    }
+    

docs/.vuepress/theme.ts

@@ -49,7 +49,6 @@ export default hopeTheme({
       </div>
 
   <p>Made with ❤️ by <a href='https://matter-labs.io/'>Matter Labs</a></p>
-  <div id="temp-banner"><div>zkSync Goerli Testnet will be shutdown on&nbsp;<strong>March 31st</strong>. Please use zkSync Sepolia Testnet instead. For more information see&nbsp;<a href="https://github.com/zkSync-Community-Hub/zksync-developers/discussions/228" target="_blank">this announcement</a>.</div></div>
   `,
 
   copyright: false,