Automatic merge from submit-queue (batch tested with PRs 47115, 51196, 51204, 51208, 51206)

Removing push_api_data on kube-api.connected seems to be dead code

**What this PR does / why we need it**: Removing dead code is always good :)

**Which issue this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close that issue when PR gets merged)*: fixes #

**Special notes for your reviewer**: There is no kube-api relation. This method was replace probably at some point by push_service_data firing when kube-api-endpoint.available

**Release note**:

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