[MM-16751] golint model (#17896)

model/oauth.go

@@ -12,11 +12,11 @@ import (
 )
 
 const (
-	OAUTH_ACTION_SIGNUP       = "signup"
-	OAUTH_ACTION_LOGIN        = "login"
-	OAUTH_ACTION_EMAIL_TO_SSO = "email_to_sso"
-	OAUTH_ACTION_SSO_TO_EMAIL = "sso_to_email"
-	OAUTH_ACTION_MOBILE       = "mobile"
+	OAuthActionSignup     = "signup"
+	OAuthActionLogin      = "login"
+	OAuthActionEmailToSSO = "email_to_sso"
+	OAuthActionSSOToEmail = "sso_to_email"
+	OAuthActionMobile     = "mobile"
 )
 
 type OAuthApp struct {