Remove extra param in call for inflightRequests metric

[MichelHollands]

What this PR does / why we need it:

The call to update the inflightRequests metric incorrectly adds a "user" argument which seems to be used as a label name. This causes a run time panic as it only expects the label value:

10:22:22 enterprise-logs: panic: inconsistent label cardinality: expected 1 label values but got 2 in []string{"user", "test_instance"}
10:22:22 enterprise-logs: goroutine 966 [running]:
10:22:22 enterprise-logs: github.com/prometheus/client_golang/prometheus.(*GaugeVec).WithLabelValues(0x28933e0, {0xc0015fb9c0, 0xc001a24510, 0xc0001022d0})

Checklist

• Documentation added
• Tests updated
• Add an entry in the CHANGELOG.md about the changes.

Signed-off-by: Michel Hollands michel.hollands@grafana.com

[dannykopping]

LGTM

[cyriltovena]

LGTM