Werk #14779: Remove less useful graphs

Component	Setup
Title	Remove less useful graphs
Date	Dec 7, 2022
Level	Trivial Change
Class	New Feature
Compatibility	Compatible - no manual interaction needed
Checkmk versions & editions	2.2.0b1 Checkmk Raw (CRE), Checkmk Enterprise (CEE), Checkmk Cloud (CCE), Checkmk MSP (CME) 2.1.0p18 Checkmk Raw (CRE), Checkmk Enterprise (CEE), Checkmk MSP (CME)

This removes the following graphs from the OMD Performance page: Number of metrics received; Performance data loss for "connection"; Bytes sent to the "connection", where "connection" is either RRD, InfluxDB or Carbon.

These graphs are always monotonically increasing and do not provide any useful information.

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