intel-power-gadget: remove, no longer available

As of 2023-10-13, the Intel Power Gadget is not only discontunued, but
also no longer available for download. The web server returns 403.

See: https://www.intel.com/content/www/us/en/developer/articles/tool/power-gadget.html
Archived: https://web.archive.org/web/20231108104254/https://www.intel.com/content/www/us/en/developer/articles/tool/power-gadget.html

Casks/i/intel-power-gadget.rb

@@ -1,27 +0,0 @@
-cask "intel-power-gadget" do
-  version "3.7.0"
-  sha256 "22ed3fe050c3b965841ccc5590a3a03bb9498f8620e01ba4dea5557dcd24fe43"
-
-  url "https://www.intel.com/content/dam/develop/external/us/en/documents/Intel-Power-Gadget-v#{version}.dmg"
-  name "Intel Power Gadget"
-  desc "Power usage monitoring tool enabled for Intel Core processors"
-  homepage "https://www.intel.com/content/www/us/en/developer/articles/tool/power-gadget.html"
-
-  auto_updates true
-  depends_on arch: :x86_64
-  depends_on macos: ">= :el_capitan"
-
-  pkg "Install Intel Power Gadget.pkg"
-
-  uninstall pkgutil: "com.intel.pkg.PowerGadget.*",
-            kext:    "com.intel.driver.EnergyDriver"
-
-  zap trash: [
-    "~/Library/Caches/com.intel.PowerGadget",
-    "~/Library/Preferences/com.intel.PowerGadget.plist",
-  ]
-
-  caveats do
-    discontinued
-  end
-end