* gnu/packages/bioinformatics.scm (bismark): Update to 0.24.1.
[source]: Delete bundled plot.ly.
[arguments]: Use plain list; remove trailing #T from build phases; adjust
'replace-plotly.js phase to account for use of script tags; adjust 'install
phase to install documentation in markdown format; add 'configure phase for
replacing references to tools.
[inputs]: Add bowtie, hisat2, minimap2, and samtools.