ci: drop build test with -O2, since it's covered by -O3 tests

diff --git a/.github/workflows/build_test.sh b/.github/workflows/build_test.sh
index 5dc54771baecc6e9397d97fbbed5598e27c9feec..192db85f57dc073d8f35c49c643418c122ea0187 100755 (executable)
--- a/.github/workflows/build_test.sh
+++ b/.github/workflows/build_test.sh
@@ -9,7 +9,6 @@ success() { echo >&2 -e "\033[32;1m$1\033[0m"; }
 
 ARGS=(
     "--optimization=0"
-    "--optimization=2"
     "--optimization=s"
     "--optimization=3 -Db_lto=true"
     "--optimization=3 -Db_lto=false"