drop old Cygwin considerations

- Cygwin supports non-DOS characters in filenames
- Cygwin does not support Windows XP anymore

Signed-off-by: Corinna Vinschen <vinschen@redhat.com>

regress/sftp-cmds.sh

@@ -77,7 +77,6 @@ echo "get \"$DATA\" $COPY" | ${SFTP} -D ${SFTPSERVER} >/dev/null 2>&1 \
 	|| fail "get failed"
 cmp $DATA ${COPY} || fail "corrupted copy after get"
 
-if [ "$os" != "cygwin" ]; then
 rm -f ${QUOTECOPY}
 cp $DATA ${QUOTECOPY}
 verbose "$tid: get filename with quotes"
@@ -85,7 +84,6 @@ echo "get \"$QUOTECOPY_ARG\" ${COPY}" | ${SFTP} -D ${SFTPSERVER} >/dev/null 2>&1
 	|| fail "get failed"
 cmp ${COPY} ${QUOTECOPY} || fail "corrupted copy after get with quotes"
 rm -f ${QUOTECOPY} ${COPY}
-fi
 
 rm -f "$SPACECOPY" ${COPY}
 cp $DATA "$SPACECOPY"
@@ -136,13 +134,11 @@ echo "put $DATA $COPY" | \
 	${SFTP} -D ${SFTPSERVER} >/dev/null 2>&1 || fail "put failed"
 cmp $DATA ${COPY} || fail "corrupted copy after put"
 
-if [ "$os" != "cygwin" ]; then
 rm -f ${QUOTECOPY}
 verbose "$tid: put filename with quotes"
 echo "put $DATA \"$QUOTECOPY_ARG\"" | \
 	${SFTP} -D ${SFTPSERVER} >/dev/null 2>&1 || fail "put failed"
 cmp $DATA ${QUOTECOPY} || fail "corrupted copy after put with quotes"
-fi
 
 rm -f "$SPACECOPY"
 verbose "$tid: put filename with spaces"

regress/test-exec.sh

@@ -12,10 +12,6 @@ OSF1*)
 	BIN_SH=xpg4
 	export BIN_SH
 	;;
-CYGWIN_NT-5.0)
-	os=cygwin
-	TEST_SSH_IPV6=no
-	;;
 CYGWIN*)
 	os=cygwin
 	;;