Bug 1889260 - Remove redundant imports from geckodriver. r=webdriver-reviewers,whimboo

Differential Revision: https://phabricator.services.mozilla.com/D206441

testing/geckodriver/src/capabilities.rs

@@ -12,7 +12,7 @@ use mozprofile::preferences::Pref;
 use mozprofile::profile::Profile;
 use mozrunner::firefox_args::{get_arg_value, parse_args, Arg};
 use mozrunner::runner::platform::firefox_default_path;
-use mozversion::{self, firefox_binary_version, firefox_version, Version};
+use mozversion::{firefox_binary_version, firefox_version, Version};
 use regex::bytes::Regex;
 use serde_json::{Map, Value};
 use std::collections::BTreeMap;

testing/geckodriver/src/command.rs

@@ -7,7 +7,7 @@ use base64::prelude::BASE64_STANDARD;
 use base64::Engine;
 use hyper::Method;
 use serde::de::{self, Deserialize, Deserializer};
-use serde_json::{self, Value};
+use serde_json::Value;
 use std::env;
 use std::fs::File;
 use std::io::prelude::*;

testing/geckodriver/src/marionette.rs

@@ -31,7 +31,7 @@ use marionette_rs::webdriver::{
 use mozdevice::AndroidStorageInput;
 use serde::de::{self, Deserialize, Deserializer};
 use serde::ser::{Serialize, Serializer};
-use serde_json::{self, Map, Value};
+use serde_json::{Map, Value};
 use std::io::prelude::*;
 use std::io::Error as IoError;
 use std::io::ErrorKind;