Remove ARM specification for Macs

Apparently the x64 version works on ARM devices with Mac, so the
platform now just chooses the correct platform name based on the
Chromedriver version requested

undetected_chromedriver/patcher.py

@@ -112,29 +112,11 @@ def _set_platform_name(self):
             self.platform_name = "linux64"
             self.exe_name %= ""
         if self.platform.endswith("darwin"):
-            self.platform_name = self._get_mac_platform_name()
-            self.exe_name %= ""
-
-    def _get_mac_platform_name(self):
-        """
-        The Mac platform name changes based on the architecture and Chromedriver version desired
-        """
-        platform_name = "mac"
-        # Matches the platform as a substring so values like 'arm64' and 'armv7l' work
-        is_arm_arch = any(p in platform.machine() for p in ["aarch64", "arm"])
-
-        if self.is_old_chromedriver:
-            if is_arm_arch:
-                platform_name += "_arm64"
-            else:
-                platform_name += "64"
-        else:
-            if is_arm_arch:
-                platform_name += "-arm64"
+            if self.is_old_chromedriver:
+                self.platform_name = "mac64"
             else:
-                platform_name += "-x64"
-
-        return platform_name
+                self.platform_name = "mac-x64"
+            self.exe_name %= ""
 
     def auto(self, executable_path=None, force=False, version_main=None, _=None):
         """