Remove duplicated line on version script.

version_bump.sh

@@ -2,7 +2,6 @@
 
 [ $# -eq 0 ] && { echo "Usage: $0 <version>"; exit 1; }
 
-sed -i "s/%define _version.*/%define _version $1/" rpmbuild/qcma.spec
 sed -i "s/%define _version.*/%define _version $1/" rpmbuild/qcma.spec
 sed -i "s/VERSION = .*/VERSION = $1/"     qcma_common.pri
 echo "Don't forget to update the changelog and nsis script"