[VOL-3387] Removing the TYPE parameter from kind-voltha
- Adding NUM_OF_WORKER_NODES to specify the kind cluster size
- Adding NUM_OF_KAFKA to scale up and down the kafka cluster
- Adding NUM_OF_ETCD to scale up and down the etcd cluster

Change-Id: I0359cd1e6d9b90b8d1d7590084805cd47236b9cf
diff --git a/.gitignore b/.gitignore
index e941ef0..9e0c7ec 100644
--- a/.gitignore
+++ b/.gitignore
@@ -3,14 +3,11 @@
 onos-apps
 pkg
 src
-install.log
 *.swp
 *.log
 logger/*
-voltha-debug-dump-minimal*
 voltha-system-tests
 voltha-debug-dump-*
-minimal-env.sh
-full-env.sh
+*-env.sh
 .DS_Store
 kube-config-*