Delete deprecated Tern defs

[Danilkat]

Description

Im refactoring some very old tjs code right now, and ive stumbled upon some fields that are nonexistent in geometry.
The fields that ive found as of now (there might be more):

• lineDistances
• lineDistancesNeedUpdate
• verticesNeedUpdate
• normalsNeedUpdate

I've confirmed that these fields are nowhere to be found in the three.js' source code, except for one place:
editor\js\libs\tern-threejs\threejs.js

I'm not sure what Tern is, and if there even is a need to delete those fields, but i thought it would be good to have this issue stated somewhere.

Reproduction steps

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Code

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Live example

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Screenshots

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Version

r174

Device

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Browser

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OS

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[Mugen87]

tern used is used for auto-completion in the three.js editor when writing scripts.

Legacy fields can be removed from editor\js\libs\tern-threejs\threejs.js.