Remove swagger-ui link, fix page.version variable (#3185)

* Remove swagger-ui link, fix page.version variable

* remove swagger-ui redirect

* use 2 decimal version for cluster-large.md

* fix swagger-ui message

* replace URL w/ final destination

* address feedback

* add link to swagger.json at https://github.com/kubernetes/kubernetes/blob/master/api/openapi-spec/swagger.json

* remove redundant sentence

_config.yml

@@ -17,7 +17,8 @@ defaults:
     scope:
       path: ""
     values:
-      version: "v1.6.0"
+      fullversion: "v1.6.0"
+      version: "v1.6"
       githubbranch: "master"
       docsbranch: "master"
   -