gnu: sdcv: Improve package style.

* gnu/packages/dictionaries.scm (sdcv)[arguments]: Rewrite using g-exps.
[native-inputs]: Remove package labels.

Change-Id: Ic0cdb64d959489429759110d3d339518a3b7c304

gnu/packages/dictionaries.scm

@@ -410,25 +410,24 @@ intelligible and easily correctable.")
         (base32 "17jwcgc3jdp41rvxqi7zdsysfpjgzqq4z1l345qwffp1an6yaaqk"))))
     (build-system cmake-build-system)
     (arguments
-     `(#:configure-flags
-       '("-DBUILD_TESTS=YES"
+     (list
+      #:configure-flags
+      #~(list "-DBUILD_TESTS=YES"
               ;; https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1078404
               "-DCMAKE_CXX_FLAGS=-fpermissive")
       #:phases
-       (modify-phases %standard-phases
+      #~(modify-phases %standard-phases
           (add-after 'build 'build-lang
             (lambda _
               (invoke "make" "lang")))
           (add-before 'check 'pre-check
             (lambda _
-             (setenv "HOME" (getcwd))
-             #t)))))
+              (setenv "HOME" (getcwd)))))))
     (native-inputs
-     `(("gettext" ,gettext-minimal)
-       ("pkg-config" ,pkg-config)
-
+     (list gettext-minimal
+           pkg-config
            ;; For tests.
-       ("jq" ,jq)))
+           jq))
     (inputs
      (list glib ncurses readline zlib))
     (home-page "https://dushistov.github.io/sdcv/")