remove shfmt

Author: qzhuyan

.github/workflows/prebuild.yml

@@ -57,8 +57,7 @@ jobs:
             sudo apt-get install -y lttng-tools babeltrace liblttng-ust-dev lttng-modules-dkms- \
                    git curl libssl-dev make automake autoconf libncurses-dev gcc g++ default-jdk \
                    unixodbc-dev \
-                   libxml2-utils libsctp-dev lksctp-tools software-properties-common shellcheck \
-                   shfmt
+                   libxml2-utils libsctp-dev lksctp-tools software-properties-common shellcheck
             export KERL_CONFIGURE_OPTIONS="--with-dynamic-trace=lttng ${KERL_CONFIGURE_OPTIONS}"
           fi