Merge pull request #368 from GoogleCloudPlatform/tswast-repotools

Remove java-repo-tools subtree.

Author: tswast

.gitmodules

@@ -0,0 +1,3 @@
+[submodule "java-repo-tools"]
+	path = java-repo-tools
+	url = https://github.com/GoogleCloudPlatform/java-repo-tools.git

.travis.yml

@@ -15,6 +15,11 @@
 language: java
 jdk:
 - oraclejdk8
+git:
+  # Handle git submodules ourselves. We want the samples and tests to work
+  # without a recursive clone. We only use submodules for an additional layer
+  # of localhost testing scripts.
+  submodules: false
 addons:
   apt:
     sources: