Bug 2242324: exporter: avoid fetching performance metrics from mgr/prometheus

[avanthakkar]

Avoid fetching performance counters of ceph daemons in prometheus module by setting exclude_perf_counters to true, given ceph-exporter takes of it in 4.14

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[openshift-ci]

@avanthakkar: This pull request references Bugzilla bug 2242324, which is invalid:

• expected the bug to target the "ODF 4.14.5" release, but it targets "---" instead

Comment /bugzilla refresh to re-evaluate validity if changes to the Bugzilla bug are made, or edit the title of this pull request to link to a different bug.

In response to this:

Bug 2242324: avoid fetching performance metrics from mgr/prometheus

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[openshift-ci]

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[travisn]

BZ 2242324 is for 4.13, so we will need a clone for merging this in 4.14.