review: revert .golangci.yml changes

Author: ldez

.golangci.yml

@@ -25,7 +25,6 @@ linters:
     - errcheck
     - errorlint
     - funlen
-    - filen
     - gocheckcompilerdirectives
     - gochecknoinits
     - gochecknoinits
@@ -77,10 +76,6 @@ linters-settings:
   funlen:
     lines: -1 # the number of lines (code + empty lines) is not a right metric and leads to code without empty line or one-liner.
     statements: 50
-  filen:
-    min-lines-num: 5
-    max-lines-num: 500
-    ignore-comments: false
   goconst:
     min-len: 2
     min-occurrences: 3