Update deprecated docs for cli flags removal.

The old command line options have been deprecated in 1.8.0 and
eventually removed in 1.10.0 through PR #17724, though the
deprecated.md still shows `Target For Removal In Release`.

This fix updates the deprecated.md and changes
`Target For Removal In Release` to `Removed In Release`.

Signed-off-by: Yong Tang <yong.tang.github@outlook.com>

docs/deprecated.md

@@ -92,7 +92,7 @@ The lxc-conf flag and API fields will also be removed.
 ### Old Command Line Options
 **Deprecated In Release: [v1.8.0](https://github.com/docker/docker/releases/tag/v1.8.0)**
 
-**Target For Removal In Release: v1.10**
+**Removed In Release: [v1.10.0](https://github.com/docker/docker/releases/tag/v1.10.0)**
 
 The flags `-d` and `--daemon` are deprecated in favor of the `daemon` subcommand: