removing medianKey. TBD: update .TX/config? (#6070)

Author: MongoCaleb

draft/commands-locks.txt

@@ -265,10 +265,6 @@ command>` in MongoDB.
      - 
      - 
      - 
-   * - :dbcommand:`medianKey`
-     - 
-     - 
-     - 
    * - :dbcommand:`moveChunk`
      - 
      - 

source/reference/command.txt

@@ -676,12 +676,6 @@ Sharding Commands
 
      - No support for :atlas:`serverless instances </unsupported-commands/#unsupported-commands-in-serverless-instances>`.
 
-   * - :dbcommand:`medianKey`
-
-     - Deprecated internal command. See :dbcommand:`splitVector`.
-
-     - Yes
-
    * - :dbcommand:`moveChunk`
 
      - Internal command that migrates chunks between shards.

source/reference/command/medianKey.txt

@@ -128,10 +128,6 @@ Sharding Commands
    * - :dbcommand:`listShards`
 
      - Returns a list of configured shards.
-
-   * - :dbcommand:`medianKey`
-
-     - Deprecated internal command. See :dbcommand:`splitVector`.
 
    * - :dbcommand:`moveChunk`
 
@@ -237,7 +233,6 @@ Sharding Commands
    /reference/command/getShardVersion
    /reference/command/isdbgrid
    /reference/command/listShards
-   /reference/command/medianKey
    /reference/command/moveChunk
    /reference/command/movePrimary
    /reference/command/moveRange

source/reference/command/nav-sharding.txt

@@ -295,10 +295,6 @@ The following database commands support :term:`sharded clusters
 
      - Returns a list of configured shards.
 
-   * - :dbcommand:`medianKey`
-
-     - Deprecated internal command. See :dbcommand:`splitVector`.
-
    * - :dbcommand:`moveChunk`
 
      - Internal command that migrates chunks between shards.