update TensorFlow 2.0.0 easyconfigs to use more EasyBuild provided dependencies

[Flamefire]

• Requires update TensorFlow easyblock to support installing TensorFlow 2.0 with dependencies provided through EasyBuild easybuild-easyblocks#2165

(created using eb --new-pr)

[Flamefire]

Test report by @Flamefire
SUCCESS
Build succeeded for 2 out of 2 (2 easyconfigs in this PR)
taurusml20 - Linux RHEL 7.6, POWER, 8335-GTX, Python 2.7.5
See https://gist.github.com/f2f97b8fbd9b864f841d9549c7534d67 for a full test report.

[Flamefire]

Test report by @Flamefire
SUCCESS
Build succeeded for 2 out of 2 (2 easyconfigs in this PR)
taurusa14 - Linux centos linux 7.7.1908, x86_64, Intel(R) Xeon(R) CPU E5-2603 v4 @ 1.70GHz, Python 2.7.5
See https://gist.github.com/5f0deba5acf8070c851cc5525be7cc87 for a full test report.

[boegel]

lgtm, tests underway

[boegel]

@boegelbot please test @ generoso
EB_ARGS="--include-easyblocks-from-pr 2165"

[boegelbot]

@boegel: Request for testing this PR well received on generoso

PR test command 'EB_PR=11233 EB_ARGS="--include-easyblocks-from-pr 2165" /apps/slurm/default/bin/sbatch --job-name test_PR_11233 ~/boegelbot/eb_from_pr_upload_generoso.sh' executed!

• exit code: 0
• output:

Submitted batch job 5573

Test results coming soon (I hope)...

Details

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it is of no use to you (unless you think I have a bug, which I don't).

[boegel]

Test report by @boegel
SUCCESS
Build succeeded for 2 out of 2 (2 easyconfigs in this PR)
node3404.kirlia.os - Linux centos linux 7.8.2003, x86_64, Intel(R) Xeon(R) Gold 6240 CPU @ 2.60GHz (cascadelake), Python 2.7.5
See https://gist.github.com/4f51d68f4501f4f4843aa363a3c0cf3b for a full test report.

[boegelbot]

Test report by @boegelbot
SUCCESS
Build succeeded for 2 out of 2 (2 easyconfigs in this PR)
generoso-x-1 - Linux centos linux 8.2.2004, x86_64, Intel(R) Xeon(R) CPU E5-2667 v3 @ 3.20GHz (haswell), Python 3.6.8
See https://gist.github.com/f8d6a0cbe3d0a1a86ee615b9af131e1c for a full test report.

[boegel]

Going in, thanks @Flamefire!