Update LRN docs to reflect removal of 'normRegion' argument

[jgartman]

Description

The documentation for the radius parameter of localResponseNormalization mentions an argument that has been removed from the method.

---

For repository owners only:

Please remember to apply all applicable tags to your pull request.
Tags: FEATURE, BREAKING, BUG, PERF, DEV, DOC, SECURITY

For more info see: /~https://github.com/tensorflow/tfjs/blob/master/DEVELOPMENT.md

---

This change is 

[jgartman]

On second thought, maybe it should be:

The number of adjacent channels in the 1D normalization window. In Tensorflow this param is called depth_radius.

[nsthorat]

Thanks a lot Josh!

---

Review status: 0 of 1 files reviewed at latest revision, all discussions resolved.

---

src/ops/lrn.ts, line 33 at r1 (raw file):

   *     normalized independently.
   * @param radius The number of adjacent channels or spatial locations of the
   *     1D normalization window. In Tensorflow this param is called

Actually, can you just remove the second sentence and rename "radius" to "depth_radius" in the code below and then we'll align with TF python?

---

Comments from Reviewable

[jgartman]

Review status: 0 of 1 files reviewed at latest revision, 1 unresolved discussion, some commit checks failed.

---

src/ops/lrn.ts, line 33 at r1 (raw file):

Previously, nsthorat (Nikhil Thorat) wrote…

Actually, can you just remove the second sentence and rename "radius" to "depth_radius" in the code below and then we'll align with TF python?

Done.

---

Comments from Reviewable

[nsthorat]

---

Review status: 0 of 1 files reviewed at latest revision, 1 unresolved discussion, some commit checks failed.

---

Comments from Reviewable

[nsthorat]

Thanks Josh!