refactor(plugins): remove `PLAYGROUND` environment variable checks an… #128

Job	Run time
Setup Deployment	2s
Validate permissions	2s
Build Frontend Microservice / build	4m 29s
Build Backend Microservice / Build & Push Java 17 Image	1m 46s
Build Web-PDF Microservice / Build & Push Java 11 Image	1m 34s
Build User-Auditor Microservice / Build & Push Java 11 Image	1m 26s
Build Event Processor Microservice	3m 20s
Build UTMStack Collector	1m 2s
Build and Sign Agent	1m 18s
Check Go Dependencies	0s
Build Agent Manager Microservice	0s
All Builds Complete	0s
Deploy Installer (Dev)	0s
Generate Changelog	-1s
Publish New Version to Customer Manager	-1s
Build & Upload Installer (RC)	-1s
Schedule release to our instances	0s
	14m 56s

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