Remove testRuntimeMigration configuration for test-utils dependencies

[Abacn]

Context: #30193 (comment)

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[Abacn]

The change on sdks/java/io/sparkreceiver/2/build.gradle caused test failure:

testProcessElement (org.apache.beam.sdk.io.sparkreceiver.ReadFromSparkReceiverWithOffsetDoFnTest) failed

java.lang.AssertionError: expected:<[0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19]> but was:<[]>

at org.apache.beam.sdk.io.sparkreceiver.ReadFromSparkReceiverWithOffsetDoFnTest.testProcessElement(ReadFromSparkReceiverWithOffsetDoFnTest.java:143)

[Abacn]

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