Use SpaceWeighted as the default scheduler

[nkwangleiGIT]

What steps did you take and what happened:
[A clear and concise description of what the bug is, and what commands you ran.]
As we introduced a new SpaceWeighted scheduler, and it can do better LVM volume binding, see the details in the PR below:
#178
But the default is still CapacityWeighted as we set the default value when initialize the params.

What did you expect to happen:
Use SpaceWeighted as the default scheduler.

The output of the following commands will help us better understand what's going on:
(Pasting long output into a GitHub gist or other Pastebin is fine.)

• kubectl logs -f openebs-lvm-controller-0 -n kube-system -c openebs-lvm-plugin
• kubectl logs -f openebs-lvm-node-[xxxx] -n kube-system -c openebs-lvm-plugin
• kubectl get pods -n kube-system
• kubectl get lvmvol -A -o yaml

Anything else you would like to add:
[Miscellaneous information that will assist in solving the issue.]

Environment:

• LVM Driver version: v0.9.0
• Kubernetes version (use kubectl version): K8S 1.20.x
• Kubernetes installer & version:
• Cloud provider or hardware configuration:
• OS (e.g. from /etc/os-release):

[dsharma-dc]

@abhilashshetty04 This can perhaps be closed if the enhancement is already merged as seen from linked PR?

[abhilashshetty04]

@dsharma-dc , Yes we are using spaceWeighted algorithm by default. Closing this issue.