Fold the symlink create

Signed-off-by: jinge90 <ge.jin@intel.com>

Author: jinge90

.github/workflows/containers/libc/Dockerfile

@@ -51,13 +51,10 @@ RUN wget https://apt.llvm.org/llvm.sh && \
 # testing CI for libc-based compiler-rt builtins. The package only symlinks
 # the tools into /usr/bin under versioned names (lit-23, FileCheck-23, ...),
 # so also symlink them under their canonical names.
-RUN apt-get install -y llvm-23-tools && \
-    ln -s -t /usr/bin $(dpkg -L llvm-23-tools | grep '^/usr/lib/llvm-23/bin/')
-
 # llvm-link is required to build bitcode library for GPU targets
-RUN if [ ! -e /usr/bin/llvm-link ]; then \
-      ln -s /usr/lib/llvm-23/bin/llvm-link /usr/bin/llvm-link; \
-    fi
+RUN apt-get install -y llvm-23-tools && \
+    ln -s -t /usr/bin $(dpkg -L llvm-23-tools | grep '^/usr/lib/llvm-23/bin/') && \
+    ln -s /usr/lib/llvm-23/bin/llvm-link /usr/bin/llvm-link
 
 # Install gmp and mpfr for cross compilation
 RUN wget https://ftp.gnu.org/gnu/gmp/gmp-6.3.0.tar.xz && \