ci: Clean up script after previous commit finally fixed the DOS error…

… code propagation (i.e. the line with the if-statement)

.github/workflows/02-pr-checks.yml

@@ -77,13 +77,8 @@ jobs:
           chmod +x /usr/local/bin/run_cicd_dos.sh
           /usr/local/bin/run_cicd_dos.sh
           # Propagate error code from DOS test or exit with error code 254 if the exit code file is missing
-          echo step1
-          export dos_exit_code=$(cat test/exitcode.txt || echo 254)
-          echo DOS exit code was $dos_exit_code
-          echo step2
+          dos_exit_code=$(cat test/exitcode.txt || echo 254)
           if [ "$dos_exit_code" -ne "0" ]; then exit $dos_exit_code; fi
-          history
-          echo step3
           wget -P /tmp https://aluigi.altervista.org/mytoolz/dtmf2num.zip
           echo "187d43e4d57535da3386eee3accdbcd09526378e3258db7f1bd5afccd0c64360  /tmp/dtmf2num.zip" | sha256sum -c
           mkdir /tmp/dtmf2num