gnu: Remove r-gqtlbase.

This package has been removed from Bioconductor a while ago.  It now fails to
build because ffbase fails to build.  ffbase was removed from CRAN in 2022.

* gnu/packages/bioconductor.scm (r-gqtlbase): Remove variable.

Change-Id: I3e9c59178cc9e8e80815544815c58db253561e0a

gnu/packages/bioconductor.scm

@@ -26839,55 +26839,6 @@ views.  High-level plots include sequence fragment length, edge-linked
 interval to data view, mismatch pileup, and several splicing summaries.")
     (license license:artistic2.0)))
 
-(define-public r-gqtlbase
-  (package
-    (name "r-gqtlbase")
-    (version "1.21.1")
-    (source
-     (origin
-       (method url-fetch)
-       (uri (bioconductor-uri "gQTLBase" version))
-       (sha256
-        (base32
-         "0nipibm1bk9k70ajbw1f6vjmz0dh7gk21l17q3m54bnawxsggrfh"))))
-    (properties `((upstream-name . "gQTLBase")))
-    (build-system r-build-system)
-    (arguments
-     (list
-      ;; Tests fail with "The file does not exist".
-      #:tests? #false
-      #:phases
-      '(modify-phases %standard-phases
-         ;; This is an upstream bug.
-         (add-after 'unpack 'fix-imports
-           (lambda _
-             (substitute* "NAMESPACE"
-               ((".*maxffmode.*") "")
-               (("importFrom\\(ff,.*") "import(ff)\n")))))))
-    (propagated-inputs
-     (list r-batchjobs
-           r-bbmisc
-           r-biocgenerics
-           r-bit
-           r-doparallel
-           r-ff
-           r-ffbase
-           r-foreach
-           r-genomicfiles
-           r-genomicranges
-           r-rtracklayer
-           r-s4vectors
-           r-summarizedexperiment))
-    (native-inputs
-     (list r-knitr r-runit))
-    (home-page "https://bioconductor.org/packages/gQTLBase")
-    (synopsis "Infrastructure for eQTL, mQTL and similar studies")
-    (description
-     "The purpose of this package is to simplify the storage and interrogation
-of @dfn{quantitative trait loci} (QTL) archives, such as eQTL, mQTL, dsQTL,
-and more.")
-    (license license:artistic2.0)))
-
 (define-public r-gviz
   (package
     (name "r-gviz")