Minimal linting improvements

server/budget.go

@@ -1,7 +1,6 @@
 package server
 
 import (
-	"fmt"
 	"net/http"
 
 	"git.javil.eu/jacob1123/budgeteer"
@@ -20,7 +19,7 @@ func (h *Handler) newBudget(c *gin.Context) {
 	}
 
 	if newBudget.Name == "" {
-		c.AbortWithError(http.StatusNotAcceptable, fmt.Errorf("Budget name is needed"))
+		c.AbortWithStatusJSON(http.StatusBadRequest, ErrorResponse{"budget name is required"})
 		return
 	}