Removing enivronment from GitCredentialManager

Author: StanleyGoldman

src/GitHub.Api/Git/GitCredentialManager.cs

@@ -11,14 +11,12 @@ class GitCredentialManager : ICredentialManager
         private ICredential credential;
         private string credHelper = null;
 
-        private readonly IEnvironment environment;
         private readonly IProcessManager processManager;
         private readonly ITaskManager taskManager;
 
-        public GitCredentialManager(IEnvironment environment, IProcessManager processManager,
+        public GitCredentialManager(IProcessManager processManager,
             ITaskManager taskManager)
         {
-            this.environment = environment;
             this.processManager = processManager;
             this.taskManager = taskManager;
         }

src/GitHub.Api/Platform/Platform.cs

@@ -26,7 +26,7 @@ public IPlatform Initialize(IProcessManager processManager, ITaskManager taskMan
 
             if (CredentialManager == null)
             {
-                CredentialManager = new GitCredentialManager(Environment, processManager, taskManager);
+                CredentialManager = new GitCredentialManager(processManager, taskManager);
                 Keychain = new Keychain(Environment, CredentialManager);
                 Keychain.Initialize();
             }