ci: remove standalone release-npm.yml workflow (#947) #1515

Job	Run time
Python / Test (3.13)	2m 29s
Python / Test (Windows)	5m 49s
JS / Build + Test	1m 3s
Python / Test (Max Versions) (3.12)	2m 42s
Build JS + Python Wheel	1m 2s
Python / Test (3.12)	2m 40s
Python / Test (Max Versions) (3.14)	1m 57s
Styling Screenshots (Before / After)	2m 13s
Python / Test (3.14)	2m 9s
Docs / Build + Check Links	1m 14s
Python / Test (Max Versions) (3.11)	2m 28s
Python / Lint	1m 5s
Python / Test (3.11)	2m 35s
Python / Test (Max Versions) (3.13)	2m 22s
Storybook Playwright Tests	2m 3s
MCP / Integration (wheel)	1m 4s
Static Embed Playwright Tests	1m 26s
Smoke / Optional Extras	51s
Server Playwright Tests	1m 51s
JupyterLab Playwright Tests	2m 35s
WASM Marimo Playwright Tests	1m 34s
Marimo Playwright Tests	1m 55s
Publish to TestPyPI	-1s
	45m 6s

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