fix: remove deprecated linter

.golangci.yml

@@ -8,7 +8,6 @@ run:
 linters:
   enable:
     - 'asciicheck'
-    - 'deadcode'
     - 'depguard'
     - 'dogsled'
     - 'errorlint'
@@ -29,7 +28,8 @@ linters:
     - 'revive'
     - 'typecheck'
     - 'unconvert'
-    - 'varcheck'
+# The linter 'varcheck' 'deadcode' 'structcheck' is deprecated (since v1.49.0), use 'unused' instead.
+    - 'unused'
     - 'whitespace'
   disable:
 # unsupported lint with golang 1.18+ ref: https://github.com/golangci/golangci-lint/issues/2649
@@ -38,9 +38,7 @@ linters:
     - 'noctx'
     - 'sqlclosecheck'
     - 'staticcheck'
-    - 'structcheck'
     - 'stylecheck'
-    - 'unused'
     - 'errcheck'
 
 issues:
@@ -62,8 +60,6 @@ issues:
   exclude-rules:
     - path: internal/browser/browser\.go
       linters:
-        - 'deadcode'
-        - 'varcheck'
         - 'unused'
   max-issues-per-linter: 0
   max-same-issues: 0