No need for -H:-CopyLanguageResources since there are no resource jars passed to native image anyway

* Remove check, it works fine to build GRAALPY_NATIVE_STANDALONE with a boostrap GraalVM 21.

Author: eregon

mx.graalpython/mx_graalpython.py

@@ -646,8 +646,6 @@ def graalpy_standalone_home(standalone_type, enterprise=False, dev=False, build=
     else:
         env_file = 'native-ee' if enterprise else 'native-ce'
         standalone_dist = 'GRAALPY_NATIVE_STANDALONE'
-        if "GraalVM" in subprocess.check_output([get_jdk().java, '-version'], stderr=subprocess.STDOUT, universal_newlines=True):
-            assert False, "Cannot build a GraalPy native standalone with a Graal JDK, we only support latest for building the native images"
 
     mx_args = ['-p', SUITE.dir, *(['--env', env_file] if env_file else [])]
     mx_args.append("--extra-image-builder-argument=-g")

mx.graalpython/suite.py

@@ -838,7 +838,6 @@
                 "-Dorg.graalvm.launcher.class=com.oracle.graal.python.shell.GraalPythonMain",
                 # GraalPy standalone specific flags
                 "-J-Xms14g", # GR-46399: libpythonvm needs more than the default minimum of 8 GB to be built
-                "-H:-CopyLanguageResources",
                 "-Dpolyglot.python.PosixModuleBackend=native",
                 "-Dpolyglot.python.Sha3ModuleBackend=native",
                 "<bytecode_dsl_build_args>",