Undoing setup.py change mistake

Author: apbose

py/setup.py

@@ -151,7 +151,6 @@ def build_libtorchtrt_pre_cxx11_abi(develop=True, use_dist_dir=True, cxx11_abi=F
         cmd.append("--platforms=//toolchains:ci_rhel_x86_64_linux")
         print("CI based build")
 
-    cmd.append("--jobs=4")
     print("building libtorchtrt")
     status_code = subprocess.run(cmd).returncode