Improve hairpin/palindrome removal in long-read assembly

[kmnip]

Please report

• version of RNA-Bloom with java -jar RNA-Bloom.jar -version
  2.0.1
• version of java with java -version
  20
• exact command used to run RNA-Bloom
  rnabloom -long reads.fastq.gz

Currently, hairpins are still kept if there are read support. The default behavior needs to be more aggressive.