ccleaner: Disable checkver

* Starting with v7, CCleaner runs as a Windows Service,
  and portable releases appear to be discontinued.

Author: z-Fng

bucket/ccleaner.json

@@ -34,10 +34,6 @@
         "Write-Host \"Removing shortcut $(friendly_path \"$(shortcut_folder $global)\\CCleaner.lnk\")\"",
         "Remove-Item \"$(shortcut_folder $global)\\CCleaner.lnk\" -Force -ErrorAction SilentlyContinue"
     ],
-    "checkver": {
-        "url": "https://www.ccleaner.com/ccleaner/builds",
-        "regex": "CCleaner Free \\(v([\\d.]+)\\) - Latest official release"
-    },
     "autoupdate": {
         "url": "https://download.ccleaner.com/portable/ccsetup$majorVersion$minorVersion.zip"
     }