frontend: remove eslint-plugin-import #40316

Job	Run time
api-check-needed	4s
Lint: ClientPrint (ESLint)	18s
e2e-check-needed	7s
Lint: Frontend (ESLint)	38s
Tests: Frontend	2m 15s
Lint: Print (ESLint)	29s
Tests: PDF	24s
Tests: Print	47s
Lint: API (php-cs-fixer)	0s
Tests: API	0s
Lint: e2e (ESLint)	27s
Tests: End-to-end build / Tests: End-to-end (build job)	1m 8s
Tests: End-to-end run / Tests: End-to-end (chrome)	4m 18s
Tests: End-to-end run / Tests: End-to-end (firefox)	4m 42s
Tests: End-to-end run / Tests: End-to-end (edge)	4m 50s
Finish coveralls report	0s
workflow-success	2s
Send out CI success event	0s
	20m 29s

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