docs: Remove duplicated examples #9545

Job	Run time
Benchmark	9m 38s
Build	1m 52s
Run integration tests (test-e2e)	20m 50s
Run integration tests (test-integration-poller)	10m 6s
Run integration tests (test-e2e-deployments)	13m 44s
Lint	3m 21s
Run integration tests (test-e2e-serverless)	7m 3s
Check jsonnet & tempo-mixin	49s
Run Unit Tests (test-with-cover-pkg)	3m 15s
Vendor check	1m 26s
Run Unit Tests (test-with-cover-tempodb)	15m 38s
Build technical documentation	19s
Run Unit Tests (test-with-cover-tempodb-wal)	11m 28s
Run Unit Tests (test-with-cover-others)	12m 24s
	1h 51m 53s

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