doc: fix doc template

Author: andyzhangx

.github/ISSUE_TEMPLATE/bug-report.md

@@ -17,11 +17,6 @@ about: Create a report to help us improve this project
 **Anything else we need to know?**:
 
 **Environment**:
-<!-- 
-Run following command to get CSI driver version:
-kubectl get po -n kube-system -o yaml | grep gcr | grep smb
--->
-- CSI Driver version:
 - Kubernetes version (use `kubectl version`):
 - OS (e.g. from /etc/os-release):
 - Kernel (e.g. `uname -a`):