remove links in footer (#1271)

Signed-off-by: liuboaibc <kukudehero@gmail.com>

data/en/footer.yaml

@@ -53,13 +53,7 @@ footer:
           link: https://kubesphere.io
         - content: China Site
           link: https://kubesphere.com.cn/
-        - content: Europe Site
-          link: https://kubesphere.eu
-        - content: Turkey Site
-          link: https://kubesphereturkey.com
-        - content: Spain Site
-          link: https://kubesphere.es
-
+          
     - title: Products and Services
       list:
         - content: KubeSphere on QingCloud(QKE)
@@ -69,4 +63,4 @@ footer:
         - content: Cloud application service platform
           link: 'https://kubesphere.cloud'
         - content: Cooperation and consulting
-          link: 'https://jinshuju.net/f/tPUldX'
+          link: 'https://jinshuju.net/f/tPUldX'

data/zh/footer.yaml

@@ -58,13 +58,7 @@ footer:
           link: https://kubesphere.com.cn/forum
         - content: 全球站
           link: https://kubesphere.io
-        - content: 欧洲站
-          link: https://kubesphere.eu
-        - content: 土耳其站
-          link: https://kubesphereturkey.com
-        - content: 西班牙站
-          link: https://kubesphere.es
-       
+
     - title: 产品与服务
       list:
         - content: KubeSphere on AWS
@@ -74,4 +68,4 @@ footer:
         - content: 云原生应用服务平台
           link: 'https://kubesphere.cloud'
         - content: 业务合作与咨询
-          link: 'https://jinshuju.net/f/tPUldX'
+          link: 'https://jinshuju.net/f/tPUldX'