Removed unused file in translation folder

Signed-off-by: Michele Calgaro <michele.calgaro@yahoo.it>
(cherry picked from commit ca2e3d8564)

po/merge.sh

@@ -1,15 +0,0 @@
-template=`find . -name "*.pot" | sed -e 's#^./\(.*\)$#\1#'`
-files=`find . -name "*.po" | sed -e 's#^./\(.*\)$#\1#'`
-test -n "$VERBOSE" && echo $files
-
-for file in $files; do
-  echo merging $file
-  files=
-  if test ! -s $file; then
-    echo "ERROR: $file is empty!"
-  elif msgmerge --no-wrap -q -o $file $file $template; then
-    files="$files $file"
-  else
-    echo "ERROR: msgmerge failed for $file"
-  fi
-done