Update groff to latest version

include/mk/versions.mk

@@ -38,7 +38,7 @@ glibc_version = 2.36
 gmp_version = 6.2.1
 gperf_version = 3.1
 grep_version = 3.8
-groff_version = 1.22.4
+groff_version = 1.23.0
 grub_version = 2.06
 gzip_version = 1.12
 haveged_version = 1.9.18

world/groff/Makefile

@@ -3,7 +3,6 @@
 #
 distname      = groff
 distext       = gz
-patches      += groff-musl-signbit.patch
 makeflags     = -j1
 groff         = groff
 groff_path    = $(shell dirname $$(which groff))

world/groff/groff-musl-signbit.patch

@@ -1,12 +0,0 @@
-diff --color -Naur groff-1.22.4.orig/gnulib_m4/signbit.m4 groff-1.22.4/gnulib_m4/signbit.m4
---- groff-1.22.4.orig/gnulib_m4/signbit.m4	2018-12-23 09:34:15.000000000 -0500
-+++ groff-1.22.4/gnulib_m4/signbit.m4	2021-03-09 13:32:45.593225230 -0500
-@@ -31,6 +31,8 @@
-         [case "$host_os" in
-                           # Guess yes on glibc systems.
-            *-gnu* | gnu*) gl_cv_func_signbit="guessing yes" ;;
-+                          # Guess yes on musl systems.
-+           *-musl*)       gl_cv_func_signbit="guessing yes" ;;
-                           # Guess yes on native Windows.
-            mingw*)        gl_cv_func_signbit="guessing yes" ;;
-                           # If we don't know, assume the worst.