Script cleanup on for darwin

Scripts/Build/BuildDarwin.sh

@@ -6,10 +6,10 @@ configureCMake() {
       -D CMAKE_PREFIX_PATH="${libQtPath};${openSSLPath}" \
       -D CMAKE_BUILD_TYPE=Release \
       -D CMAKE_OSX_DEPLOYMENT_TARGET=10.12 \
-      -D CMAKE_OSX_ARCHITECTURES=x86_64 \
       -D SYNERGY_ENTERPRISE=ON \
       -D SYNERGY_REVISION="${productRevision}" \
       || exit 1
+
 }
 
 buildApplication() {