Remove the gitsubmodules nolonger needed.

Only the SessionFetcher Sources are being reference through this. The examples
not use pods to get their deps.

Author: thomasvl

.gitmodules

@@ -2,9 +2,3 @@
 	path = Deps/gtm-session-fetcher
 	url = https://github.com/google/gtm-session-fetcher.git
 	branch = master
-[submodule "Deps/AppAuth"]
-	path = Deps/AppAuth
-	url = https://github.com/openid/AppAuth-iOS.git
-[submodule "Deps/GTMAppAuth"]
-	path = Deps/GTMAppAuth
-	url = https://github.com/google/GTMAppAuth.git

Deps/AppAuth

@@ -1,7 +1,2 @@
 This directory contains git submodules for the other projects that this project
 depends on.
-
-It also include "umbrella" source files to use with those directories. If you
-are manually adding sources to a project, you can use these files to include
-all the needed sources from the dependencies instead of manually having to add
-the subfiles within the dependencies.