fix: remove legacy service account binding #2601

Job	Run time
Run Cargo Udeps	1m 49s
Decide if Helm charts are pushed to the helm repository based on action trigger	4s
Run Cargo Deny (bans licenses sources)	24s
Run Cargo Deny (advisories)	22s
Check if committed Helm charts are up to date	36s
Check if committed README is the one we would render from the available parts	20s
Run Rustfmt	24s
Run Clippy	25s
Run RustDoc	1m 9s
Run Cargo Tests	27s
All tests passed	4s
Package Charts, Build Docker Image and publish them - ubuntu-latest	14m 40s
Package Charts, Build Docker Image and publish them - ubicloud-standard-8-arm	10m 34s
Build and publish manifest list	1m 7s
Run the OpenShift Preflight check on the published images	26s
	32m 51s

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