gnu: emacs-org-pomodoro: Improve package style.

* gnu/packages/emacs-xyz.scm (emacs-org-pomodoro)[arguments]: Use
G-expressions.  Remove trailing #T.

gnu/packages/emacs-xyz.scm

@@ -8008,28 +8008,28 @@ save, it exports back to the original non-Org file.")
       (propagated-inputs
        (list emacs-alert))
       (arguments
-       `(#:include (cons "^resources\\/" %default-include)
+       (list
+        #:include #~(cons "^resources\\/" %default-include)
         #:tests? #t
-         #:test-command '("emacs" "--batch"
+        #:test-command
+        (list
+         "emacs" "--batch"
          "-l" "org-pomodoro-tests.el"
          "-f" "ert-run-tests-batch-and-exit")
         #:phases
-         (modify-phases %standard-phases
+        #~(modify-phases %standard-phases
             (add-before 'check 'make-tests-writable
               (lambda _
-               (make-file-writable "org-pomodoro-tests.el")
-               #t))
+                (make-file-writable "org-pomodoro-tests.el")))
             (add-before 'check 'add-require
               (lambda _
                 (emacs-batch-edit-file "org-pomodoro-tests.el"
                   `(progn (progn (goto-char (point-min))
-                                (re-search-forward
-                                 "ert-deftest")
+                                 (re-search-forward "ert-deftest")
                                  (beginning-of-line)
                                  (forward-line -1)
                                  (insert "(require 'org-pomodoro)"))
-                         (basic-save-buffer)))
-               #t)))))
+                          (basic-save-buffer))))))))
       (home-page "https://github.com/marcinkoziej/org-pomodoro")
       (synopsis "Pomodoro technique for org-mode")
       (description "@code{emacs-org-pomodoro} adds very basic support for