Update Project to use new environment module

src/project.coffee

@@ -288,8 +288,9 @@ class Project extends Model
     unless @env?
       @env = _.clone(process.env)
       if process.platform is "darwin" and not process.env.TERM?
-        shellPath = @getShellPath()
-        @env.PATH = shellPath if shellPath?
+        {getShellEnv} = require("../src/environment")
+        shellEnv = getShellEnv()
+        @env = shellEnv if shellEnv?
 
     _.clone(@env)
 
@@ -297,44 +298,6 @@ class Project extends Model
   Section: Private
   ###
 
-  # Gets the user's configured shell `PATH`.
-  #
-  # Returns the value of `PATH` or `undefined` if there was an error.
-  getShellPath: ->
-    shellEnvText = @getShellEnv()
-    return unless shellEnvText?
-
-    env = {}
-
-    for line in shellEnvText.split(os.EOL)
-      if line.includes("=")
-        components = line.split("=")
-        if components.length is 2
-          env[components[0]] = components[1]
-        else
-          k = components.shift()
-          v = components.join("=")
-          env[k] = v
-
-    env.PATH
-
-  # Gets a dump of the user's configured shell environment.
-  #
-  # Returns the output of the `env` command or `undefined` if there was an error.
-  getShellEnv: ->
-    shell = process.env.SHELL ? "/bin/bash"
-
-    # The `-ilc` set of options was tested to work with the OS X v10.11
-    # default-installed versions of bash, zsh, sh, and ksh. It *does not*
-    # work with csh or tcsh. Given that bash and zsh should cover the
-    # vast majority of users and it gracefully falls back to prior behavior,
-    # this should be safe.
-    results = child_process.spawnSync shell, ["-ilc"], input: "env", encoding: "utf8"
-    return if results.error?
-    return unless results.stdout and results.stdout.length > 0
-
-    results.stdout
-
   consumeServices: ({serviceHub}) ->
     serviceHub.consume(
       'atom.directory-provider',