[bugfix] Fix remote media pruning failing if media already gone (#548)

* fix error check of prune to allow missing files

* update go-store library, add test for pruning item with db entry but no file

Signed-off-by: kim <grufwub@gmail.com>

* remove now-unneccessary error check

Signed-off-by: kim <grufwub@gmail.com>

Co-authored-by: kim <grufwub@gmail.com>

vendor/codeberg.org/gruf/go-pools/henc.go

@@ -0,0 +1,46 @@
+package pools
+
+import (
+	"hash"
+	"sync"
+
+	"codeberg.org/gruf/go-hashenc"
+)
+
+// HashEncoderPool is a pooled allocator for hashenc.HashEncoder objects.
+type HashEncoderPool interface {
+	// Get fetches a hashenc.HashEncoder from pool
+	Get() hashenc.HashEncoder
+
+	// Put places supplied hashenc.HashEncoder back in pool
+	Put(hashenc.HashEncoder)
+}
+
+// NewHashEncoderPool returns a newly instantiated hashenc.HashEncoder pool.
+func NewHashEncoderPool(hash func() hash.Hash, enc func() hashenc.Encoder) HashEncoderPool {
+	return &hencPool{
+		pool: sync.Pool{
+			New: func() interface{} {
+				return hashenc.New(hash(), enc())
+			},
+		},
+		size: hashenc.New(hash(), enc()).Size(),
+	}
+}
+
+// hencPool is our implementation of HashEncoderPool.
+type hencPool struct {
+	pool sync.Pool
+	size int
+}
+
+func (p *hencPool) Get() hashenc.HashEncoder {
+	return p.pool.Get().(hashenc.HashEncoder)
+}
+
+func (p *hencPool) Put(henc hashenc.HashEncoder) {
+	if henc.Size() < p.size {
+		return
+	}
+	p.pool.Put(henc)
+}