[CI] remove useless lines in clang-tidy out (Shamrock-code#1429)

Author: tdavidcl

.github/workflows/shamrock-acpp-clang-tidy.yml

@@ -99,7 +99,9 @@ jobs:
 
       - name: Run clang-tidy
         run: |
+          export CLANGTIDYBINARY=clang-tidy-${{matrix.clang}}
           run-clang-tidy-${{matrix.clang}} \
+            -clang-tidy-binary ./buildbot/clang-tidy-wrapper.sh \
             -p build/clang-tidy.mod \
             -use-color \
             -config-file .clang-tidy \

buildbot/clang-tidy-wrapper.sh

@@ -0,0 +1,6 @@
+#!/bin/bash
+set -eo pipefail
+
+# Run clang-tidy, forwarding all script arguments
+"$CLANGTIDYBINARY" --quiet "$@" 2>&1 | \
+    grep -vE '^[0-9]+ warnings? generated\.$'