remove remaining instances of ImageMTextL (#1570) #6406

Job	Run time
get-content-file	7s
code-quality / npm run format	34s
code-quality / npm run lint	1m 10s
code-quality / npm run typecheck	34s
code-quality / npm run test:coverage	3m 26s
verify-local-e2e / e2e-tests (1)	2m 3s
verify-local-e2e / e2e-tests (2)	1m 15s
verify-local-e2e / e2e-tests (3)	2m 9s
verify-local-e2e / e2e-tests (4)	1m 33s
verify-local-e2e / merge-reports	0s
build-push-app-image	3m 32s
deploy-staging	1m 28s
deploy-preview	1m 23s
verify-preview-e2e / e2e-tests (1)	3m 19s
verify-preview-e2e / e2e-tests (2)	1m 28s
verify-preview-e2e / e2e-tests (3)	4m 10s
verify-preview-e2e / e2e-tests (4)	1m 35s
verify-preview-e2e / merge-reports	0s
deploy-production	1m 36s
test-production-text	2s
Send failure message to Slack	0s
	31m 24s

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