docs: remove perf note for mergeDuplicateChunks #13435

Job	Run time
Check license of dependencies	4s
Check license of dependencies	4s
Pnpm Lockfile Check	25s
Pnpm Lockfile Check	25s
Spell check	9s
Spell check	9s
Run benchmark	0s
Run benchmark	0s
Run Ecosystem CI	0s
Run Ecosystem CI	0s
Check Source Changed	7s
Check Source Changed	7s
Get Runner Labels / Get Runner Labels	1s
Get Runner Labels / Get Runner Labels	1s
Test Release Linux	0s
Test Release Linux	0s
Test Release Windows	0s
Test Release Windows	0s
Test Release Mac	0s
Test Release Mac	0s
Lint and format website	52s
Lint and format website	52s
Lint and format code	0s
Lint and format code	0s
Rust Changes	0s
Rust Changes	0s
Test Mac	0s
Test Mac	0s
Test Linux / Build	12s
Test Linux / Build	12s
Test Windows / Build	12m 6s
Test Windows / Build	14s
Rust check	0s
Rust check	0s
Check Rust Unused Dependencies	0s
Check Rust Unused Dependencies	0s
Rust test	0s
Rust test	0s
Test Linux / Test Node 18	9s
Test Linux / Test Node 18	9s
Test Linux / E2E Testing	0s
Test Linux / E2E Testing	0s
Test Windows / Test Node ${{ matrix.node }}	0s
Test Windows / E2E Testing	0s
Test Windows / E2E Testing	0s
Failure Notification	0s
Failure Notification	0s
Test Windows / Test Node 18	10s
	16m 28s

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