do not launch local sccache server

Jenkinsfile

@@ -215,7 +215,6 @@ def cmake_build(Map conf=[:]){
     }
     echo "invocation tag: ${invocation_tag}"
     def redis_pre_setup_cmd = pre_setup_cmd
-    def local_pre_setup_cmd = pre_setup_cmd
     if(check_host() && params.USE_SCCACHE && "${env.CK_SCCACHE}" != "null" && "${invocation_tag}" != "") {
         redis_pre_setup_cmd = pre_setup_cmd + """
             #!/bin/bash
@@ -233,19 +232,6 @@ def cmake_build(Map conf=[:]){
             stunnel ../script/redis-cli.conf
             ../script/sccache_wrapper.sh --enforce_redis
         """
-        local_pre_setup_cmd = pre_setup_cmd + """
-            #!/bin/bash
-            export ROCM_PATH=/opt/rocm
-            export SCCACHE_ENABLED=true
-            export SCCACHE_LOG_LEVEL=debug
-            export SCCACHE_IDLE_TIMEOUT=14400
-            export COMPILERS_HASH_DIR=/tmp/.sccache
-            export SCCACHE_BIN=/usr/local/.cargo/bin/sccache
-            export SCCACHE_EXTRAFILES=/tmp/.sccache/rocm_compilers_hash_file
-            export SCCACHE_C_CUSTOM_CACHE_BUSTER="${invocation_tag}"
-            echo \$SCCACHE_C_CUSTOM_CACHE_BUSTER
-            ../script/sccache_wrapper.sh
-        """
         setup_args = " -DCMAKE_CXX_COMPILER_LAUNCHER=sccache -DCMAKE_C_COMPILER_LAUNCHER=sccache " + setup_args
     }
     def setup_cmd = conf.get("setup_cmd", "${cmake_envs} cmake ${setup_args}   .. ")
@@ -269,9 +255,9 @@ def cmake_build(Map conf=[:]){
             sh cmd1
         }
         catch(Exception err){
-            echo "could not connect to redis server: ${err.getMessage()}. using local sccache."
+            echo "could not connect to redis server: ${err.getMessage()}. will not use sccache."
             def cmd2 = conf.get("cmd2", """
-                    ${local_pre_setup_cmd}
+                    ${pre_setup_cmd}
                 """)
             sh cmd2
         }