[nrf fromtree] scripts: ci: check_compliance: Remove HWMv1 dead code

HWMv1-specific Kconfig checks were meant to be removed before HWMv2 was
merged into `main` (see `collab-hwm` history), but some traces remained.
Do another round of cleanup.

Signed-off-by: Grzegorz Swiderski <[email protected]>
(cherry picked from commit c0d5e85)

scripts/ci/check_compliance.py

@@ -485,32 +485,6 @@ def get_kconfig_dts(self, kconfig_dts_file, settings_file):
         except subprocess.CalledProcessError as ex:
             self.error(ex.output.decode("utf-8"))
 
-    def get_v1_model_syms(self, kconfig_v1_file, kconfig_v1_syms_file):
-        """
-        Generate a symbol define Kconfig file.
-        This function creates a file with all Kconfig symbol definitions from
-        old boards model so that those symbols will not appear as undefined
-        symbols in hardware model v2.
-
-        This is needed to complete Kconfig compliance tests.
-        """
-        os.environ['HWM_SCHEME'] = 'v1'
-        # 'kconfiglib' is global
-        # pylint: disable=undefined-variable
-
-        try:
-            kconf_v1 = kconfiglib.Kconfig(filename=kconfig_v1_file, warn=False)
-        except kconfiglib.KconfigError as e:
-            self.failure(str(e))
-            raise EndTest
-
-        with open(kconfig_v1_syms_file, 'w') as fp_kconfig_v1_syms_file:
-            for s in kconf_v1.defined_syms:
-                if s.type != kconfiglib.UNKNOWN:
-                    fp_kconfig_v1_syms_file.write('config ' + s.name)
-                    fp_kconfig_v1_syms_file.write('\n\t' + kconfiglib.TYPE_TO_STR[s.type])
-                    fp_kconfig_v1_syms_file.write('\n\n')
-
     def get_v2_model(self, kconfig_dir, settings_file):
         """
         Get lists of v2 boards and SoCs and put them in a file that is parsed by
@@ -553,9 +527,6 @@ def get_v2_model(self, kconfig_dir, settings_file):
                     )
 
         with open(kconfig_file, 'w') as fp:
-            fp.write(
-                'osource "' + (Path(kconfig_dir) / 'boards' / 'Kconfig.syms.v1').as_posix() + '"\n'
-            )
             for board in v2_boards:
                 for board_dir in board.directories:
                     fp.write('osource "' + (board_dir / 'Kconfig').as_posix() + '"\n')