Removed unused RColorBrewer installation
Removed unused RColorBrewer installation

ewels/NGI-MethylSeq,Hammarn/NGI-RNAseq,ewels/NGI-RNAseq,Hammarn/NGI-RNAseq,SciLifeLab/NGI-RNAseq,SciLifeLab/NGI-RNAseq,ewels/NGI-RNAseq,Hammarn/NGI-RNAseq,Galithil/NGI-RNAseq,SciLifeLab/NGI-RNAseq,ewels/NGI-MethylSeq,Hammarn/NGI-RNAseq,Galithil/NGI-RNAseq,ewels/NGI-RNAseq,ewels/NGI-RNAseq,SciLifeLab/NGI-RNAseq,Galithil/NGI-RNAseq,Galithil/NGI-RNAseq,SciLifeLab/NGI-RNAseq,ewels/NGI-MethylSeq,Hammarn/NGI-RNAseq,ewels/NGI-RNAseq