message: Remove further references to hamcrest in the docs
diff: @@ -18,8 +18,7 @@ let p = project()
  If you do not specify a `Cargo.toml` manifest using `file()`, one is
  automatically created with a project name of `foo` using `basic_manifest()`.
  -To run cargo, call the `cargo` method and use the `hamcrest` matchers to check
  -the output.
  +To run cargo, call the `cargo` method and make assertions on the execution:
  ```
  p.cargo("run --bin foo")
  @@ -42,10 +41,6 @@ as a home directory instead of your normal home directory.
  See `support::lines_match` for an explanation of the string pattern matching.
  -See the `hamcrest` module for other matchers like
  -`is_not(existing_file(path))`. This is not the actual hamcrest library, but
  -instead a lightweight subset of matchers that are used in cargo tests.
  -
  Browse the `pub` functions in the `support` module for a variety of other
  helpful utilities.
  