Remove schema registry support from core module #1206

Job	Run time
Java Gradle / Build, Test and Assess code quality / Build	1m 17s
Java Gradle / Build, Test and Assess code quality / Test	12m 31s
Java Gradle / Build, Test and Assess code quality / Asses code quality	1m 51s
Java Gradle / Publish	1m 59s
Java Gradle / Create Github release	-1s
	17m 37s

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