chore(tools): do not deal with deleted files

tools/check_qml_syntax

@@ -36,7 +36,7 @@ while read file; do
   if [[ $? != 0 ]] ; then
     so_far_so_good=1
   fi
-done < <(git diff --name-only --cached | grep -E '\.qml|js|js\.spec$')
+done < <(git diff --name-only --cached --diff-filter=d | grep -E '\.qml|js|js\.spec$')
 
 if [[ $so_far_so_good == 0 ]]; then
   printf "${GREEN}Done. No qml error found.\n"

tools/test_qml

@@ -28,7 +28,7 @@ if ! [ -x "$( command -v "$TEST_RUNNER" )" ]; then
   exit 0
 fi
 
-git diff --name-only --cached | grep -Eq '\.qml|js|js\.spec$'
+git diff --name-only --cached --diff-filter=d | grep -Eq '\.qml|js|js\.spec$'
 if [[ $? != 0 ]] ; then
   exit 0
 fi