DOCSP-29563: redirect CSFLE to Encrypt Fields for all versions (#670)

Author: Chris Cho

config/redirects

@@ -9,8 +9,7 @@ raw: ${prefix}/stable -> ${base}/current/
 
 [*-master]: ${prefix}/${version}/fundamentals/versioned-api/ -> ${base}/${version}/fundamentals/stable-api/
 [*-master]: ${prefix}/${version}/fundamentals/connection/lambda/ -> ${base}/${version}/fundamentals/connection/
-[v4.7-*]: ${prefix}/${version}/fundamentals/csfle -> ${base}/${version}/fundamentals/encrypt-fields/
-[*-v4.6]: ${prefix}/${version}/fundamentals/encrypt-fields -> ${base}/${version}/fundamentals/csfle/
+[*-master]: ${prefix}/${version}/fundamentals/csfle -> ${base}/${version}/fundamentals/encrypt-fields/
 
 [*-v5.0]: ${prefix}/${version}/quick-start/connect-to-mongodb/ -> ${base}/${version}/quick-start/
 [*-v5.0]: ${prefix}/${version}/quick-start/create-a-connection-string/ -> ${base}/${version}/quick-start/