build: Reduce verbosity of disabled component manager warning (IDFGH-13156)

[nebkat]

IDF_COMPONENT_MANAGER=0 is an advanced user option which doesn't have much of an effect unless there are components that have an idf_component.yml file, and in most cases dependencies can be resolved manually. Thus there should be no need for such a severe warning.

The warning message results in a warning symbol shown in IDE (CLion):

[github-actions]

Warnings

⚠️

Some issues found for the commit messages in this PR: the commit message "build: Reduce verbosity of disabled component manager warning": type/action should be one of [change, ci, docs, feat, fix, refactor, remove, revert, test] Please fix these commit messages - here are some basic tips: follow Conventional Commits style correct format of commit message should be: <type/action>(<scope/component>): <summary>, for example fix(esp32): Fixed startup timeout issue allowed types are: change,ci,docs,feat,fix,refactor,remove,revert,test sufficiently descriptive message summary should be between 20 to 72 characters and start with upper case letter avoid Jira references in commit messages (unavailable/irrelevant for our customers) TIP: Install pre-commit hooks and run this check when committing (uses the Conventional Precommit Linter).

👋 Hello nebkat, we appreciate your contribution to this project!

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[kumekay]

@nebkat Thank you for the PR, the change looks good to me

@hfudev WDYT?

[hfudev]

LGTM!

[hfudev]

sha=227b84636c5eb8dae63f13f65507349e2e77fa87

[hfudev]

@nebkat Thank you for your contribution. The commit has been cherry-picked as 8c1ecc4 and merged internally.