SetupForDevelopment: Drop cmake.org remote repo configuration

We no longer push directly to cmake.org repositories.  Changes now
go through https://gitlab.kitware.com/cmake/cmake for integration.

Utilities/GitSetup/config

 [hooks]
-	url = https://cmake.org/cmake.git
-[ssh]
-	host = cmake.org
-	key = id_git_cmake
-	request-url = https://www.kitware.com/Admin/SendPassword.cgi
-[stage]
-        url = git://cmake.org/stage/cmake.git
-        pushurl = git@cmake.org:stage/cmake.git
+	url = https://gitlab.kitware.com/utils/gitsetup.git

Utilities/SetupForDevelopment.sh

@@ -3,9 +3,6 @@
 cd "${BASH_SOURCE%/*}/.." &&
 Utilities/GitSetup/setup-user && echo &&
 Utilities/GitSetup/setup-hooks && echo &&
-Utilities/GitSetup/setup-stage && echo &&
-(Utilities/GitSetup/setup-ssh ||
- echo 'Failed to setup SSH.  Run this again to retry.') && echo &&
 Utilities/GitSetup/tips
 
 # Rebase master by default
@@ -13,5 +10,5 @@ git config rebase.stat true
 git config branch.master.rebase true
 
 # Record the version of this setup so Git/pre-commit can check it.
-SetupForDevelopment_VERSION=1
+SetupForDevelopment_VERSION=2
 git config hooks.SetupForDevelopment ${SetupForDevelopment_VERSION}