doc:remove useless conditional compilation feature

diff --git a/src/doc/book/conditional-compilation.md b/src/doc/book/conditional-compilation.md
index 2857d7e64c5005109ed3b802057e1f1d93047b18..78ab3c18e4561988429bdb55ffbec9da21eb8caf 100644 (file)
--- a/src/doc/book/conditional-compilation.md
+++ b/src/doc/book/conditional-compilation.md
@@ -44,9 +44,6 @@ default = []
 # Add feature "foo" here, then you can use it. 
 # Our "foo" feature depends on nothing else.
 foo = []
-
-# The “secure-password” feature depends on the bcrypt package.
-# secure-password = ["bcrypt"]
 ```
 
 When you do this, Cargo passes along a flag to `rustc`: