refactor(module:anchor): remove deprecated APIs for v10

[hsuanxyz]

BREAKING CHANGES:

• nzTarget has been removed, use nzContainer instead.

PR Checklist

Please check if your PR fulfills the following requirements:

• The commit message follows our guidelines: https://github.com/NG-ZORRO/ng-zorro-antd/blob/master/CONTRIBUTING.md#commit
• Tests for the changes have been added (for bug fixes / features)
• Docs have been added / updated (for bug fixes / features)

PR Type

What kind of change does this PR introduce?

[ ] Bugfix
[ ] Feature
[ ] Code style update (formatting, local variables)
[x] Refactoring (no functional changes, no api changes)
[ ] Build related changes
[ ] CI related changes
[ ] Documentation content changes
[ ] Application (the showcase website) / infrastructure changes
[ ] Other... Please describe:

What is the current behavior?

Issue Number: N/A

What is the new behavior?

Does this PR introduce a breaking change?

[x] Yes
[ ] No

Other information

[codecov]

Codecov Report

Merging #5776 into master will decrease coverage by 0.00%.
The diff coverage is 100.00%.

@@            Coverage Diff             @@
##           master    #5776      +/-   ##
==========================================
- Coverage   90.07%   90.06%   -0.01%     
==========================================
  Files         455      455              
  Lines       13859    13856       -3     
  Branches     2189     2187       -2     
==========================================
- Hits        12483    12479       -4     
- Misses        850      851       +1     
  Partials      526      526              

Impacted Files	Coverage Δ
components/anchor/anchor.component.ts	97.08% <100.00%> (+0.86%)	⬆️
components/core/util/text-measure.ts	89.56% <0.00%> (-1.74%)	⬇️

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