Remove temporary a non-fixable deprecated warning

[myovchev]

Summary

• Remove the following rule:

"scale-unlimited/declaration-strict-value": [
  ["/color/", "font", "font-family", "z-index"],
  {
    "ignoreKeywords": [
      "currentColor",
      "inherit",
      "initial",
      "transparent",
      "auto",
      "unset"
    ],
    "disableFix": true
  }
],

until this issue is resolved: AndyOGo/stylelint-declaration-strict-value#379

What are the specific steps to test this change?

No deprecation warnings.

What kind of change does this PR introduce?

(Check at least one)

• Bug fix
• New feature
• Refactor
• Documentation
• Build-related changes
• Other

Make sure the PR fulfills these requirements:

• It includes a) the existing issue ID being resolved, b) a convincing reason for adding this feature, or c) a clear description of the bug it resolves
• The changelog is updated
• Related documentation has been updated
• Related tests have been updated

If adding a new feature without an already open issue, it's best to open a feature request issue first and wait for approval before working on it.

Other information: