Remove erroneous check in AbstractJpaOperations#getSession #42979

Job	Run time
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CI Sanity Check	31s
Initial JDK 17 Build	12m 50s
Calculate Test Jobs	8s
Gradle Tests - JDK 17	27m 54s
JVM Tests - JDK 17	18m 59s
Gradle Tests - JDK 17 Windows	50m 57s
JVM Tests - JDK 21	19m 18s
JVM Tests - JDK 17 Windows	23m 57s
Devtools Tests - JDK ${{ matrix.java.name }}	0s
Maven Tests - JDK ${{ matrix.java.name }}	0s
Quickstarts Compilation - JDK 17	8m 38s
Kubernetes Tests - JDK ${{ matrix.java.name }}	0s
MicroProfile TCKs Tests	0s
Native Tests - Data3	9m 38s
Native Tests - Data4	5m 48s
Native Tests - Virtual Thread - ${{ matrix.category }}	0s
Native Tests - Cache	7m 38s
Native Tests - Misc1	5m 31s
Native Tests - Misc4	28m 42s
Native Tests - Spring	10m 10s
Native Tests - Windows support	8m 37s
Upload build stats to collector	0s
Build report	28s
	3h 59m 46s

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