revert redirects

Author: norareidy

config/redirects

@@ -1,14 +1,10 @@
 define: base https://www.mongodb.com/docs/php-library
 define: prefix docs/php-library
 raw: ${prefix}/ -> ${base}/current
-define: versions v1.16 v1.17 v1.18 v1.19 v1.20 v1.21 v1.x v2.0 v2.x master
+define: versions v1.16 v1.17 v1.18 v1.19 v1.20 v1.21 v2.0 master
 
 symlink: upcoming -> master
-symlink: current -> v2.x
-
-# consolidation redirects
-[*-v1.21]: ${prefix}/${version}/ -> ${base}/v1.x/
-[v2.0]: ${prefix}/${version}/ -> ${base}/v2.x/
+symlink: current -> v2.0
 
 # general redirects
 [v1.17-v1.19]: ${prefix}/${version}/tutorial/client-side-encryption/ -> ${base}/${version}/tutorial/encryption/