update linter settings, make it less restrictive

.golangci.yml

@@ -24,24 +24,25 @@ linters:
     - wrapcheck
     - varnamelen
     - ireturn
+  fast: true
 linters-settings:
-  decorder:
-    # Required order of `type`, `const`, `var` and `func` declarations inside a file.
-    # Default: types before constants before variables before functions.
-    dec-order:
-      - type
-      - const
-      - var
-      - func
-    # If true, order of declarations is not checked at all.
-    # Default: true (disabled)
-    disable-dec-order-check: false
-    # If true, `init` func can be anywhere in file (does not have to be declared before all other functions).
-    # Default: true (disabled)
-    disable-init-func-first-check: false
-    # If true, multiple global `type`, `const` and `var` declarations are allowed.
-    # Default: true (disabled)
-    disable-dec-num-check: false
+#  decorder:
+#    # Required order of `type`, `const`, `var` and `func` declarations inside a file.
+#    # Default: types before constants before variables before functions.
+#    dec-order:
+#      - type
+#      - const
+#      - var
+#      - func
+#    # If true, order of declarations is not checked at all.
+#    # Default: true (disabled)
+#    disable-dec-order-check: false
+#    # If true, `init` func can be anywhere in file (does not have to be declared before all other functions).
+#    # Default: true (disabled)
+#    disable-init-func-first-check: false
+#    # If true, multiple global `type`, `const` and `var` declarations are allowed.
+#    # Default: true (disabled)
+#    disable-dec-num-check: false
   errcheck:
     # Report about not checking of errors in type assertions: `a := b.(MyStruct)`.
     # Such cases aren't reported by default.