Remove useless tags

config.toml

@@ -1,6 +1,6 @@
 severity = "error"
 confidence = 1.0
-[rules]
+
 [rules.else]
   arguments = []
   severity = "error"

lint/rule.go

@@ -51,8 +51,8 @@ type Arguments = []string
 
 // RuleConfig is type used for the rule configuration.
 type RuleConfig struct {
-	Arguments Arguments `toml:"arguments"`
-	Severity  Severity  `toml:"severity"`
+	Arguments Arguments
+	Severity  Severity
 }
 
 // RulesConfig defines the config for all rules.
@@ -60,9 +60,9 @@ type RulesConfig = map[string]RuleConfig
 
 // Config defines the config of the linter.
 type Config struct {
-	Confidence float64     `toml:"confidence"`
-	Severity   Severity    `toml:"severity"`
-	Rules      RulesConfig `toml:"rules"`
+	Confidence float64
+	Severity   Severity
+	Rules      RulesConfig
 }
 
 // Rule defines an abstract rule interaface