chore: fix lint issues

.golangci.yml

@@ -132,3 +132,6 @@ issues:
 
     - linters: [ revive ]
       text: "if-return: redundant if ...; err != nil check, just return error instead."
+
+    - linters: [ unparam ]
+      text: "Builder.+is never used"

telegram/message/entity/format.go

@@ -10,14 +10,14 @@ import (
 
 type utf8entity struct {
 	offset int
-	length  int
+	length int
 }
 
 // Builder builds message string and text entities.
 type Builder struct {
 	entities []tg.MessageEntityClass
 	// lengths stores offset/length data too, but in UTF-8 codepoints
-	lengths  []utf8entity
+	lengths []utf8entity
 	// We store index of first entity added at last Format call.
 	// It needed to trim space in all entities of last text block.
 	lastFormatIndex int

telegram/message/entity/html_test.go

@@ -131,5 +131,4 @@ One more line.
 			},
 		}),
 	)
-
 }