Remove several .idea/ files from being tracked.

Author: ChrisCarini

.gitignore

@@ -44,12 +44,12 @@ chain.crt
 # When using Gradle or Maven with auto-import, you should exclude module files,
 # since they will be recreated, and may cause churn.  Uncomment if using
 # auto-import.
- .idea/artifacts
- .idea/compiler.xml
- .idea/jarRepositories.xml
- .idea/modules.xml
- .idea/*.iml
- .idea/modules
+.idea/artifacts
+.idea/compiler.xml
+.idea/jarRepositories.xml
+.idea/modules.xml
+.idea/*.iml
+.idea/modules
  *.iml
  *.ipr