[FLINK-14068][core] Removes API that uses org.apache.flink.api.common… #823

Job	Run time
Pre-compile Checks / Basic QA	13m 33s
Default (Java 8) / Compile	12m 4s
Default (Java 8) / Test packaging/licensing	40m 20s
Default (Java 8) / E2E (group 1)	1h 44m 51s
Default (Java 8) / Test (module: core)	36m 1s
Default (Java 8) / E2E (group 2)	2h 12m 43s
Default (Java 8) / Test (module: python)	31m 50s
Default (Java 8) / Test (module: table)	38m 23s
Default (Java 8) / Test (module: connect)	19m 58s
Default (Java 8) / Test (module: tests)	1h 2m 23s
Default (Java 8) / Test (module: misc)	34m 58s
	8h 47m 4s

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