fix version navigation in release v1.8 (#9357)

* fix version navigation in release v1.8

- In `release v1.8`, navigating selector to version `v1.10` disappears
- modified `_config.yml` in branch `release-1.8`

Signed-off-by: harshvkarn <harshvkarn54@gmail.com>

* missing `docs` from version 1.9 selector's link

* removing v1.5.7 support

remove v1.5.7 selector, as it is no longer supported

* update _config with version 1.11

- add version 1.11 (latest) support

* Update _config.yml

* update .travis.yml

Signed-off-by: harshvkarn <harshvkarn54@gmail.com>

* Update .travis.yml

* Update .travis.yml

* Update .travis.yml

* Remove 1.6

* Attempting a debug fix based on #9358

.travis.yml

@@ -21,4 +21,4 @@ install:
 
 script:
 - go test -v k8s.io/website/test
-- ./verify-docs-format.sh
+- ./verify-docs-format.sh

_config.yml

@@ -23,11 +23,21 @@ defaults:
       githubbranch: "master"
       docsbranch: "master"
       versions:
+      - fullversion: "v1.11.0"
+          version: "v1.11"
+          githubbranch: "v1.11.0"
+          docsbranch: "release-1.11"
+          url: https://kubernetes.io/docs/
+      - fullversion: "v1.10.0"
+          version: "v1.10"
+          githubbranch: "v1.10.0"
+          docsbranch: "release-1.10"
+          url: https://v1-10.docs.kubernetes.io/docs/home/
         - fullversion: "v1.9.0"
           version: "v1.9"
           githubbranch: "v1.9.0"
           docsbranch: "release-1.9"
-          url: https://kubernetes.io/docs/home/
+          url: https://v1-9.docs.kubernetes.io/docs/home/
         - fullversion: "v1.8.4"
           version: "v1.8"
           githubbranch: "v1.8.4"
@@ -38,16 +48,6 @@ defaults:
           githubbranch: "v1.7.6"
           docsbranch: "release-1.7"
           url: https://v1-7.docs.kubernetes.io/docs/home/
-        - fullversion: "v1.6.8"
-          version: "v1.6"
-          githubbranch: "v1.6.8"
-          docsbranch: "release-1.6"
-          url: https://v1-6.docs.kubernetes.io/docs/home/
-        - fullversion: "v1.5.7"
-          version: "v1.5"
-          githubbranch: "v1.5.7"
-          docsbranch: "release-1.5"
-          url: https://v1-5.docs.kubernetes.io/docs/
       deprecated: true
       currentUrl: https://kubernetes.io/docs/home/
       nextUrl: http://kubernetes-io-vnext-staging.netlify.com/