remove two unused dependencies

Author: acabassi

DESCRIPTION

@@ -14,7 +14,7 @@ URL: http://github.com/acabassi/klic
 BugReports: http://github.com/acabassi/klic/issues
 Encoding: UTF-8
 LazyData: true
-Imports: Matrix, cluster, gplots, wesanderson, coca, RColorBrewer, pheatmap, utils
+Imports: Matrix, cluster, coca, RColorBrewer, pheatmap, utils
 Suggests: Rmosek, tikzDevice, mclust, grDevices, graphics, knitr
 SystemRequirements: MOSEK (http://www.mosek.com) and MOSEK license.
 RoxygenNote: 7.1.0