org-e-groff: Remove some unused transcoding functions

* contrib/lisp/org-e-groff.el: Remove some unused transcoding
  functions.

contrib/lisp/org-e-groff.el

@@ -45,58 +45,54 @@
 ;;; Define Back-End
 
 (org-export-define-backend e-groff
-  ((babel-call . org-e-groff-babel-call)
-    (bold . org-e-groff-bold)
-    (center-block . org-e-groff-center-block)
-    (clock . org-e-groff-clock)
-    (code . org-e-groff-code)
-    (comment . org-e-groff-comment)
-    (comment-block . org-e-groff-comment-block)
-    (drawer . org-e-groff-drawer)
-    (dynamic-block . org-e-groff-dynamic-block)
-    (entity . org-e-groff-entity)
-    (example-block . org-e-groff-example-block)
-    (export-block . org-e-groff-export-block)
-    (export-snippet . org-e-groff-export-snippet)
-    (fixed-width . org-e-groff-fixed-width)
-    (footnote-definition . org-e-groff-footnote-definition)
-    (footnote-reference . org-e-groff-footnote-reference)
-    (headline . org-e-groff-headline)
-    (horizontal-rule . org-e-groff-horizontal-rule)
-    (inline-babel-call . org-e-groff-inline-babel-call)
-    (inline-src-block . org-e-groff-inline-src-block)
-    (inlinetask . org-e-groff-inlinetask)
-    (italic . org-e-groff-italic)
-    (item . org-e-groff-item)
-    (keyword . org-e-groff-keyword)
-    (groff-environment . org-e-groff-groff-environment)
-    (groff-fragment . org-e-groff-groff-fragment)
-    (line-break . org-e-groff-line-break)
-    (link . org-e-groff-link)
-    (paragraph . org-e-groff-paragraph)
-    (plain-list . org-e-groff-plain-list)
-    (plain-text . org-e-groff-plain-text)
-    (planning . org-e-groff-planning)
-    (property-drawer . org-e-groff-property-drawer)
-    (quote-block . org-e-groff-quote-block)
-    (quote-section . org-e-groff-quote-section)
-    (radio-target . org-e-groff-radio-target)
-    (section . org-e-groff-section)
-    (special-block . org-e-groff-special-block)
-    (src-block . org-e-groff-src-block)
-    (statistics-cookie . org-e-groff-statistics-cookie)
-    (strike-through . org-e-groff-strike-through)
-    (subscript . org-e-groff-subscript)
-    (superscript . org-e-groff-superscript)
-    (table . org-e-groff-table)
-    (table-cell . org-e-groff-table-cell)
-    (table-row . org-e-groff-table-row)
-    (target . org-e-groff-target)
-    (template . org-e-groff-template)
-    (timestamp . org-e-groff-timestamp)
-    (underline . org-e-groff-underline)
-    (verbatim . org-e-groff-verbatim)
-    (verse-block . org-e-groff-verse-block))
+  ((bold . org-e-groff-bold)
+   (center-block . org-e-groff-center-block)
+   (clock . org-e-groff-clock)
+   (code . org-e-groff-code)
+   (drawer . org-e-groff-drawer)
+   (dynamic-block . org-e-groff-dynamic-block)
+   (entity . org-e-groff-entity)
+   (example-block . org-e-groff-example-block)
+   (export-block . org-e-groff-export-block)
+   (export-snippet . org-e-groff-export-snippet)
+   (fixed-width . org-e-groff-fixed-width)
+   (footnote-definition . org-e-groff-footnote-definition)
+   (footnote-reference . org-e-groff-footnote-reference)
+   (headline . org-e-groff-headline)
+   (horizontal-rule . org-e-groff-horizontal-rule)
+   (inline-src-block . org-e-groff-inline-src-block)
+   (inlinetask . org-e-groff-inlinetask)
+   (italic . org-e-groff-italic)
+   (item . org-e-groff-item)
+   (keyword . org-e-groff-keyword)
+   ;; (latex-environment . org-e-groff-latex-environment)
+   ;; (latex-fragment . org-e-groff-latex-fragment)
+   (line-break . org-e-groff-line-break)
+   (link . org-e-groff-link)
+   (paragraph . org-e-groff-paragraph)
+   (plain-list . org-e-groff-plain-list)
+   (plain-text . org-e-groff-plain-text)
+   (planning . org-e-groff-planning)
+   (property-drawer . org-e-groff-property-drawer)
+   (quote-block . org-e-groff-quote-block)
+   (quote-section . org-e-groff-quote-section)
+   (radio-target . org-e-groff-radio-target)
+   (section . org-e-groff-section)
+   (special-block . org-e-groff-special-block)
+   (src-block . org-e-groff-src-block)
+   (statistics-cookie . org-e-groff-statistics-cookie)
+   (strike-through . org-e-groff-strike-through)
+   (subscript . org-e-groff-subscript)
+   (superscript . org-e-groff-superscript)
+   (table . org-e-groff-table)
+   (table-cell . org-e-groff-table-cell)
+   (table-row . org-e-groff-table-row)
+   (target . org-e-groff-target)
+   (template . org-e-groff-template)
+   (timestamp . org-e-groff-timestamp)
+   (underline . org-e-groff-underline)
+   (verbatim . org-e-groff-verbatim)
+   (verse-block . org-e-groff-verse-block))
   :export-block "GROFF"
   :menu-entry
   (?g "Export to GROFF"