[SPARK-4632] changed resolver paho-releases -> paho

[prabeesh]

No description provided.

[SparkQA]

Test build #23916 has started for PR 3492 at commit dcf304c.

• This patch merges cleanly.

[srowen]

It's a good hot-fix for old releases, since it looks like this contains the desired artifact. But for master, @tdas 's PR at #3492 is probably better.

[SparkQA]

Test build #23916 has finished for PR 3492 at commit dcf304c.

• This patch passes all tests.
• This patch merges cleanly.
• This patch adds no public classes.

[AmplabJenkins]

Test PASSed.
Refer to this link for build results (access rights to CI server needed):
https://amplab.cs.berkeley.edu/jenkins//job/SparkPullRequestBuilder/23916/
Test PASSed.

[srowen]

I just checked and https://repo.eclipse.org/content/repositories/paho-releases/org/eclipse/paho/mqtt-client/0.4.0/ is empty.

[prabeesh]

refer #3495

[prabeesh]

@srowen they update the repo