prometheusreceiver: Add trim_metric_suffixes configuration option #24256
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Description:
Adds a new configuration option:
trim_metric_suffixes
to the prometheus receiver. When set to true, suffixes will be trimmed from metrics. This replaces use of thepkg.translator.prometheus.NormalizeName
feature-gate in the prometheus receiver, but leaves it for exporters.The first commit simplifies the usage of the feature-gate. The tests and implementation were passing around an entire registry when it wasn't necessary.
Link to tracking Issue:
Part of #21743
Part of #8950
Testing:
Unit tests.
Documentation:
Added to the README.
cc @gouthamve @dmitryax