Remove libxslt: we don't use it

CMakeLists.txt

@@ -40,9 +40,6 @@ include(FindPkgConfig)
 pkg_search_module(LIBXML2 libxml-2.0 REQUIRED)
 include_directories(${LIBXML2_INCLUDE_DIRS})
 
-pkg_search_module(LIBXSLT libxslt REQUIRED)
-include_directories(${LIBXSLT_INCLUDE_DIRS})
-
 pkg_search_module(OPENSSL openssl REQUIRED)
 include_directories(${OPENSSL_INCLUDE_DIRS})
 

cmake_targets/tools/build_helper

@@ -618,7 +618,6 @@ check_install_oai_software() {
 	libsctp-dev  \
 	libssl-dev  \
 	libtool  \
-	libxslt1-dev \
 	libtasn1-6-dev \
 	patch \
 	openssl \
@@ -649,7 +648,6 @@ check_install_oai_software() {
       lksctp-tools-devel \
       libtasn1 \
       libtool \
-      libxslt-devel \
       ninja-build \
       make \
       openssl \

docker/Dockerfile.phySim.rhel8.2

@@ -84,8 +84,6 @@ COPY --from=phy-sim-build \
     /lib64/libforms.so.2 \
     /lib64/libblas.so.3 \
     /lib64/liblapack.so.3 \
-    /lib64/libexslt.so.0 \
-    /lib64/libxslt.so.1 \
     /usr/lib64/libasan.so.5 \
     /oai-ran/cmake_targets/ran_build/build/libdfts.so \
     /oai-ran/cmake_targets/ran_build/build/libldpc.so \