Remove ToString0[T] usage to fix golangci-lint

.golangci.yml

@@ -1,50 +1,16 @@
-run:
-  timeout: 5m
-
 linters:
-  enable-all: true
-  disable:
-    - errcheck
-    - wrapcheck
-    - varnamelen
-    - stylecheck
-    - nonamedreturns
-    - nlreturn
-    - ireturn
-    - gomnd
-    - exhaustivestruct
-    - ifshort
-    - goerr113
-    - gochecknoglobals
-    - forcetypeassert
-    - exhaustruct
-    - exhaustive
-    - cyclop
-    - containedctx
-    - wsl
-    - nestif
-    - lll
-    - funlen
-    - goconst
-    - godot
-    - gocognit
-    - golint
-    - goimports
-    - nosnakecase
+  disable-all: true
+  enable:
+    - gofumpt
+    - govet
+    - gci
+    - staticcheck
 
 linters-settings:
-  revive:
-    rules:
-      - name: var-naming
-        disabled: true
-  govet:
-    enable-all: true
-    disable:
-      - composites
-      - fieldalignment
-      - shadow
   gci:
     sections:
       - standard
       - prefix(github.com/sagernet/sing)
-      - default
+      - default
+  staticcheck:
+    go: '1.18'