Remove return value check for Installer.minimal_installation (#3555)

The minimal_installation method always returns None.

archinstall/lib/installer.py

@@ -824,7 +824,7 @@ class Installer:
 		mkinitcpio: bool = True,
 		hostname: str | None = None,
 		locale_config: LocaleConfiguration | None = LocaleConfiguration.default(),
-	):
+	) -> None:
 		if self._disk_config.lvm_config:
 			lvm = 'lvm2'
 			self.add_additional_packages(lvm)

archinstall/scripts/minimal.py

@@ -31,7 +31,7 @@ def perform_installation(mountpoint: Path) -> None:
 	) as installation:
 		# Strap in the base system, add a boot loader and configure
 		# some other minor details as specified by this profile and user.
-		if installation.minimal_installation():
+		installation.minimal_installation()
 		installation.set_hostname('minimal-arch')
 		installation.add_bootloader(Bootloader.Systemd)