Modify .gitignore to include .tfvars.json

Updated .gitignore to exclude .tfvars.json files.

Author: brown9804

.gitignore

@@ -24,7 +24,6 @@ crash.*.log
 # password, private keys, and other secrets. These should not be part of version 
 # control as they are data points which are potentially sensitive and subject 
 # to change depending on the environment.
-*.tfvars
 *.tfvars.json
 
 # Ignore override files as they are usually used to override resources locally and so