Removed eslint-plugin-import-x.

[mrdoob]

Related issue: #32651

Description

Seems like we're actually not using this package.

[github-actions]

📦 Bundle size

Full ESM build, minified and gzipped.

	Before	After	Diff
WebGL	355.36 84.47	355.36 84.47	+0 B +0 B
WebGPU	621.33 172.52	621.33 172.52	+0 B +0 B
WebGPU Nodes	619.94 172.27	619.94 172.27	+0 B +0 B

🌳 Bundle size after tree-shaking

Minimal build including a renderer, camera, empty scene, and dependencies.

	Before	After	Diff
WebGL	487.5 119.33	487.5 119.33	+0 B +0 B
WebGPU	692.55 187.87	692.55 187.87	+0 B +0 B
WebGPU Nodes	642.35 175.09	642.35 175.09	+0 B +0 B

[Mugen87]

Seems like we're actually not using this package.

See #23603. But even with the extension I don't see an error when the .js extension is missing in a import statement. So it's probably best to remove it.