contrib: remove extra lf

Change-Id: I6e16010e13ad2ea0cdff99b2e8805c74bcd0eb56
Signed-off-by: Spencer Oliver <ntfreak@users.sourceforge.net>

contrib/openocd.udev

@@ -71,4 +71,3 @@ ATTRS{idVendor}=="0640", ATTRS{idProduct}=="0028", MODE="664", GROUP="plugdev"
 ATTRS{idVendor}=="1457", ATTRS{idProduct}=="5118", MODE="644", GROUP="plugdev"
 
 LABEL="openocd_rules_end"
-