Update defaults.toml to sort rules (#844)

defaults.toml

@@ -8,23 +8,23 @@ warningCode = 0
 [rule.context-as-argument]
 [rule.context-keys-type]
 [rule.dot-imports]
+[rule.empty-block]
+[rule.error-naming]
 [rule.error-return]
 [rule.error-strings]
-[rule.error-naming]
+[rule.errorf]
 [rule.exported]
 [rule.if-return]
 [rule.increment-decrement]
-[rule.var-naming]
-[rule.var-declaration]
+[rule.indent-error-flow]
 [rule.package-comments]
 [rule.range]
 [rule.receiver-naming]
+[rule.redefines-builtin-id]
+[rule.superfluous-else]
 [rule.time-naming]
 [rule.unexported-return]
-[rule.indent-error-flow]
-[rule.errorf]
-[rule.empty-block]
-[rule.superfluous-else]
-[rule.unused-parameter]
 [rule.unreachable-code]
-[rule.redefines-builtin-id]
+[rule.unused-parameter]
+[rule.var-declaration]
+[rule.var-naming]