Modify demos to enable autodep without creating softlinks

demos/java/run_java_on_occlum.sh

@@ -87,12 +87,6 @@ run_processBuilder() {
         -Djdk.lang.Process.launchMechanism=posix_spawn processBuilder
 }
 
-# check if the libz softlink exists. If not, create the softlink to enable autodep for java
-libz_file=/lib/libz.so.1
-if [ ! -f ${libz_file} ];then
-    ln -sf /usr/local/occlum/x86_64-linux-musl/lib/libz.so.1 ${libz_file}
-fi
-
 arg=$1
 case "$arg" in
     web_app)

tools/toolchains/glibc/build.sh

@@ -31,7 +31,3 @@ CFLAGS="-O2 -g ${EXTRA_CFLAGS}" ${SRC_DIR}/configure \
   --enable-stack-protector=strong --disable-nscd ${EXTRA_CONFIG_OPTION}
 make
 make install
-
-# prepare softlinks to enable autodep for C++
-ln -sf /usr/lib/x86_64-linux-gnu/libstdc++.so.6 /opt/occlum/glibc/lib/libstdc++.so.6
-ln -sf /lib/x86_64-linux-gnu/libgcc_s.so.1 /opt/occlum/glibc/lib/libgcc_s.so.1

tools/toolchains/java/install_dragonwell.sh

@@ -41,6 +41,3 @@ EOF
 
 chmod +x ${INSTALL_DIR}/bin/occlum-java
 chmod +x ${INSTALL_DIR}/bin/occlum-javac
-
-# create softlink for libz to enable autodep for java
-ln -sf /usr/local/occlum/x86_64-linux-musl/lib/libz.so.1 /lib/libz.so.1