configure: Remove unused code (found by shellcheck)

smartcard_cflags is no longer needed since commit
0b22ef0f57a8910d849602bef0940edcd0553d2c.

Signed-off-by: Stefan Weil <sw@weilnetz.de>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>

1 files changed, 0 insertions, 1 deletions

diff --git a/configure b/configure
index 133a5757ef..12d4e4ebfa 100755
--- a/configure
+++ b/configure
@@ -4229,7 +4229,6 @@ EOF
 fi
 
 # check for smartcard support
-smartcard_cflags=""
 if test "$smartcard" != "no"; then
     if $pkg_config libcacard; then
         libcacard_cflags=$($pkg_config --cflags libcacard)