Remove _core from function name following @gregkub comment...

Remove _core from function name following @gregkub comment !277 (comment 2935700)

python_binding/utils/sys_info/pybind_CoreVersionInfo.cpp

@@ -4,8 +4,8 @@
 namespace py = pybind11;
 namespace Aidge {
 void init_CoreSysInfo(py::module& m){
-    m.def("show_core_version", &showCoreVersion);
-    m.def("get_core_project_version", &getCoreProjectVersion);
-    m.def("get_core_git_hash", &getCoreGitHash);
+    m.def("show_version", &showCoreVersion);
+    m.def("get_project_version", &getCoreProjectVersion);
+    m.def("get_git_hash", &getCoreGitHash);
 }
 }