Revert "Replace deprecated API."

This reverts commit cc13764.

dirs doesn't compile on FreeBSD.

Author: autozimu

Cargo.lock

@@ -11,7 +11,6 @@ log = "0.4"
 log4rs = "0"
 structopt = "0"
 maplit = "1"
-dirs = "1"
 
 serde = "1"
 serde_derive = "1"

Cargo.toml

@@ -552,7 +552,7 @@ Try increasing logging level to 'INFO' or 'DEBUG' using the
 
 There is also an utility script in: >
 
-    $RUNTIME/tests/wrapper.sh
+    $RUNTIME/rplugin/python3/LanguageClient/wrapper.sh
 
 which can work like a proxy and logs all stdin and stdout of the language
 server into a log file.

doc/LanguageClient.txt

@@ -2640,7 +2640,7 @@ impl State {
                 let writer = Box::new(BufWriter::new(stream));
                 (None, reader, writer)
             } else {
-                let home = dirs::home_dir().ok_or_else(|| err_msg("Failed to get home dir"))?;
+                let home = env::home_dir().ok_or_else(|| err_msg("Failed to get home dir"))?;
                 let command: Vec<_> = command
                     .into_iter()
                     .map(|cmd| {

src/languageclient.rs

@@ -2,6 +2,7 @@
 
 use std::collections::{HashMap, HashSet, VecDeque};
 use std::convert::Into;
+use std::env;
 use std::fmt::Debug;
 use std::fs::{read_to_string, File};
 use std::io::prelude::*;
@@ -26,8 +27,6 @@ use failure::{err_msg, Error};
 #[macro_use]
 extern crate maplit;
 
-extern crate dirs;
-
 extern crate serde;
 use serde::de::DeserializeOwned;
 use serde::Serialize;