Revert "hdarea: add user-agent setting"

This reverts commit fec51dcd1b.

src/Jackett.Common/Definitions/hdarea.yml

@@ -43,13 +43,6 @@ settings:
     type: info
     label: How to get the Cookie
     default: "<ol><li>Login to this tracker with your browser</li><li>Open the <b>DevTools</b> panel by pressing <b>F12</b></li><li>Select the <b>Network</b> tab</li><li>Click on the <b>Doc</b> button (Chrome Browser) or <b>HTML</b> button (FireFox)</li><li>Refresh the page by pressing <b>F5</b></li><li>Click on the first row entry</li><li>Select the <b>Headers</b> tab on the Right panel</li><li>Find <b>'cookie:'</b> in the <b>Request Headers</b> section</li><li><b>Select</b> and <b>Copy</b> the whole cookie string <i>(everything after 'cookie: ')</i> and <b>Paste</b> here.</li></ol>"
-  - name: useragent
-    type: text
-    label: User-Agent
-  - name: info_useragent
-    type: info
-    label: How to get the User-Agent
-    default: "<ol><li>From the same place you fetched the cookie,</li><li>Find <b>'user-agent:'</b> in the <b>Request Headers</b> section</li><li><b>Select</b> and <b>Copy</b> the whole user-agent string <i>(everything after 'user-agent: ')</i> and <b>Paste</b> here.</li></ol>"
   - name: freeleech
     type: checkbox
     label: Search freeleech only
@@ -104,9 +97,6 @@ search:
     type: "{{ .Config.type }}"
     notnewword: 1
 
-  headers:
-    User-Agent: ["{{ .Config.useragent }}"]
-
   rows:
     selector: table.torrents > tbody > tr:has(table.torrentname)