sigrok-cross-mingw: Drop obsolete/unused SF_MIRROR variable.

diff --git a/cross-compile/mingw/sigrok-cross-mingw b/cross-compile/mingw/sigrok-cross-mingw
index 5cf478fc9620d1da466b5961e729b64755ab9481..8330406ecd28969d8d29c8ad23df8968a4b9ec68 100755 (executable)
--- a/cross-compile/mingw/sigrok-cross-mingw
+++ b/cross-compile/mingw/sigrok-cross-mingw
@@ -45,8 +45,6 @@ DEBUG=0
 
 # -----------------------------------------------------------------------------
 
-SF_MIRROR=switch.dl.sourceforge.net
-
 WGET="wget -c --quiet"
 GIT_CLONE="git clone --depth=1"