chore: Remove unused functions #693

Job	Run time
macos-14(Silicon)/java 8-spark-3.4/rust	4m 19s
macos-14(Silicon)/java 8-spark-3.2/java	30m 9s
ubuntu-latest/java 8-spark-3.4/rust	5m 34s
macos-14(Silicon)/java 8-spark-3.4/java	32m 25s
macos-14(Silicon)/java 17-spark-3.3/java	33m 19s
ubuntu-latest/java 8-spark-3.2/java	45m 39s
ubuntu-latest/java 8-spark-3.4/java	47m 12s
macos-14(Silicon)/java 17-spark-3.4/rust	5m 4s
ubuntu-latest/java 8-spark-3.3/java	49m 47s
ubuntu-latest/java 17-spark-3.4/rust	5m 48s
macos-14(Silicon)/java 17-spark-3.4/java	33m 49s
ubuntu-latest/java 11-spark-3.3/java	46m 19s
${{ matrix.os }}/java ${{ matrix.java_version }}-spark-${{ matrix.spark-version }}/${{ matrix.test-target }}	0s
ubuntu-latest/java 17-spark-3.4/java	44m 57s
ubuntu-latest/java 17-spark-3.3/java	46m 4s
	7h 10m 25s

Provide feedback