[FLINK-14068][core] Fixes docs that was missed in the core module PR … #837

Job	Run time
Pre-compile Checks / Basic QA	7m 20s
Default (Java 8) / Compile	9m 33s
Default (Java 8) / Test packaging/licensing	36m 9s
Default (Java 8) / Test (module: core)	31m 59s
Default (Java 8) / E2E (group 1)	1h 34m 27s
Default (Java 8) / Test (module: python)	31m 35s
Default (Java 8) / E2E (group 2)	2h 0m 42s
Default (Java 8) / Test (module: table)	36m 21s
Default (Java 8) / Test (module: connect)	19m 12s
Default (Java 8) / Test (module: tests)	37m 46s
Default (Java 8) / Test (module: misc)	40m 11s
	7h 45m 15s

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