Revert "add options-features.md"

This reverts commit 2c3fec2.

Author: pea-sys

src/doc/man/cargo-add.md

@@ -116,7 +116,13 @@ Disable the [default features](../reference/features.html#dependency-features).
 Re-enable the [default features](../reference/features.html#dependency-features).
 {{/option}}
 
-{{> options-features }}
+{{#option "`-F` _features_" "`--features` _features_" }}
+Space or comma separated list of [features to
+activate](../reference/features.html#dependency-features). When adding multiple
+crates, the features for a specific crate may be enabled with
+`package-name/feature-name` syntax. This flag may be specified multiple times,
+which enables all specified features.
+{{/option}}
 
 {{/options}}
 

src/doc/man/includes/options-features.md

@@ -131,7 +131,6 @@ crates, the features for a specific crate may be enabled with
 which enables all specified features.</dd>
 
 
-
 </dl>