[models] Move allegro_hand_description into drake_models

[jwnimmer-tri]

Towards #13942.

Twin PR: RobotLocomotion/models#40

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This change is 

[jwnimmer-tri]

+@rpoyner-tri for both reviews, please +(status: single reviewer ok).

Reviewable status: 1 unresolved discussion, LGTM missing from assignee rpoyner-tri(platform)

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examples/allegro_hand/test/parse_test.cc line 22 at r2 (raw file):

TEST_P(ParseTest, Quantities) {
  const std::string file_extension = GetParam();
  const std::string url_right =

FYI This test file is moved and edited, not created from scratch, but sadly git isn't noticing the rename.

The only change to the test was fixing these package URLs.

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tools/workspace/drake_models/repository.bzl line 9 at r1 (raw file):

        name = name,
        repository = "RobotLocomotion/models",
        commit = "bc0447998cbba9046323581775d4ea7f5d00a1a2",

Working

Replace with the real commit sha from master, once we have it.

[jwnimmer-tri]

Reviewable status: 2 unresolved discussions, LGTM missing from assignee rpoyner-tri(platform)

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BUILD.bazel line 43 at r2 (raw file):

        "//bindings/pydrake/multibody:models",
        "//examples/acrobot:models",
        "//examples/allegro_hand:models",

nit Actually this line doesn't accomplish anything. I'll remove it in the next push.

[rpoyner-tri]

Reviewed 12 of 14 files at r1, 2 of 2 files at r2, 2 of 2 files at r3, all commit messages.
Reviewable status: 2 unresolved discussions

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tools/workspace/drake_models/test/parse_test.py line 65 at r3 (raw file):

            "package://drake_models/atlas/robotiq.urdf",
            "package://drake_models/atlas/robotiq_simple.urdf",
            # We don't any tracking issue for fixing the allegro models,

typo

Suggestion:

don't have any 

[rpoyner-tri]

Reviewed 2 of 2 files at r4, all commit messages.
Reviewable status: complete! all discussions resolved, LGTM from assignee rpoyner-tri(platform)