rename pool-coordinator to yurt-coordinator for charts

[JameKeal]

What type of PR is this?

Uncomment only one /kind <> line, hit enter to put that in a new line, and remove leading whitespace from that line:
/kind bug
/kind documentation
/kind enhancement
/kind good-first-issue
/kind feature
/kind question
/kind design
/sig ai
/sig iot
/sig network
/sig storage

/kind feature

What this PR does / why we need it:

Unify the naming rules of each component in openyurtio/openyurt repo, it is more understandable for end users.

Which issue(s) this PR fixes:

Fixes #1482

Special notes for your reviewer:

/assign @rambohe-ch

Does this PR introduce a user-facing change?

other Note

[openyurt-bot]

@JameKeal: GitHub didn't allow me to assign the following users: your_reviewer.

Note that only openyurtio members, repo collaborators and people who have commented on this issue/PR can be assigned. Additionally, issues/PRs can only have 10 assignees at the same time.
For more information please see the contributor guide

In response to this:

What type of PR is this?

Uncomment only one /kind <> line, hit enter to put that in a new line, and remove leading whitespace from that line:
/kind bug
/kind documentation
/kind enhancement
/kind good-first-issue
/kind feature
/kind question
/kind design
/sig ai
/sig iot
/sig network
/sig storage

/kind feature

What this PR does / why we need it:

Unify the naming rules of each component in openyurtio/openyurt repo, it is more understandable for end users.

Which issue(s) this PR fixes:

Fixes #1482

Special notes for your reviewer:

/assign @rambohe-ch

Does this PR introduce a user-facing change?

other Note

Instructions for interacting with me using PR comments are available here. If you have questions or suggestions related to my behavior, please file an issue against the kubernetes/test-infra repository.

[sonarcloud]

Kudos, SonarCloud Quality Gate passed!   

0 Bugs
0 Vulnerabilities
0 Security Hotspots
0 Code Smells

No Coverage information
0.0% Duplication

[codecov]

Codecov Report

Merging #1551 (8e4e433) into master (c3cf90b) will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master    #1551   +/-   ##
=======================================
  Coverage   50.85%   50.85%           
=======================================
  Files         133      133           
  Lines       15852    15852           
=======================================
  Hits         8062     8062           
  Misses       7045     7045           
  Partials      745      745           

Flag	Coverage Δ
unittests	50.85% <ø> (ø)

Flags with carried forward coverage won't be shown. Click here to find out more.

[openyurt-bot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: JameKeal, rambohe-ch

The full list of commands accepted by this bot can be found here.

The pull request process is described here

Needs approval from an approver in each of these files:

• OWNERS [rambohe-ch]

Approvers can indicate their approval by writing /approve in a comment
Approvers can cancel approval by writing /approve cancel in a comment

[rambohe-ch]

/lgtm