test(golangci): adapt list of default linters

.golangci.yml

@@ -1,6 +1,8 @@
-run:
+issues:
-  skip-dirs:
+  exclude-dirs:
   - it
+
+run:
   timeout: 10m
   tests: true
 
@@ -8,16 +10,13 @@ linters:
   disable-all: true
   enable:
   # Default
-  - deadcode
   - errcheck
   - gosimple
   - govet
   - ineffassign
   - staticcheck
-  - structcheck
   - typecheck
   - unused
-  - varcheck
 
   # Additionally linters
   - bodyclose