tools: Always show problems with problem status.

- Some tools are strict and produce many issues. Previously
  their problems were ignored, and given normal status.
- Which tools produce too many issues is not obvious, better
  to be consistent and show problems for all.

vigil/tools.toml

@@ -227,13 +227,11 @@ tools_for_extensions = [
   dependencies = ["golang-go"]
   url = "golang-go"
   command = "go vet"
-  error_status = "normal"
 
 [golint]
   dependencies = ["golint"]
   url = "golint"
   command = "golint -set_exit_status"
-  error_status = "normal"
 
 [yamllint]
   dependencies = ["yamllint"]