Refactor golangci-lint config and remove redundant nolints (#1486)

* Refactor golangci-lint config

- Use golangci-lint-action for GitHub workflow.
- Add additional golangci-lint run options.
- Remove unused nolint directives.

* Revert exclude-use-default option

1 files changed, 1 insertions, 1 deletions

diff --git a/fs.go b/fs.go
index a8bcd13..93e9a30 100644
--- a/fs.go
+++ b/fs.go
@@ -223,7 +223,7 @@ func NewPathPrefixStripper(prefixSize int) PathRewriteFunc {
 //
 // It is prohibited copying FS values. Create new values instead.
 type FS struct {
-	noCopy noCopy //nolint:unused,structcheck
+	noCopy noCopy
 
 	// Path to the root directory to serve files from.
 	Root string