Revert "fix: snmp marshal error (influxdata#10322)"

This reverts commit 8a9fbfd.

internal/snmp/translate.go

@@ -39,7 +39,6 @@ func ClearCache() {
 
 func LoadMibsFromPath(paths []string, log telegraf.Logger) error {
 	once.Do(gosmi.Init)
-	modules := []string{}
 
 	for _, mibPath := range paths {
 		folders := []string{}
@@ -80,7 +79,9 @@ func LoadMibsFromPath(paths []string, log telegraf.Logger) error {
 				if info.IsDir() {
 					appendPath(path)
 				} else if info.Mode()&os.ModeSymlink == 0 {
-					modules = append(modules, info.Name())
+					if err := loadModule(info.Name()); err != nil {
+						log.Warn(err)
+					}
 				}
 				return nil
 			})
@@ -89,12 +90,6 @@ func LoadMibsFromPath(paths []string, log telegraf.Logger) error {
 			}
 		}
 	}
-	for _, module := range modules {
-		err := loadModule(module)
-		if err != nil {
-			log.Warnf("module %v could not be loaded", module)
-		}
-	}
 	return nil
 }
 
@@ -174,11 +169,7 @@ func SnmpTranslateCall(oid string) (mibName string, oidNum string, oidText strin
 			return oid, oid, oid, oid, out, err
 		}
 
-		if oidNum = out.RenderNumeric(); oidNum == "" {
-			return oid, oid, oid, oid, out, fmt.Errorf("cannot make %v numeric, please ensure all imported mibs are in the path", oid)
-		}
-
-		oidNum = "." + oidNum + end
+		oidNum = "." + out.RenderNumeric() + end
 	} else if strings.ContainsAny(oid, "abcdefghijklnmopqrstuvwxyz") {
 		//handle mixed oid ex. .iso.2.3
 		s := strings.Split(oid, ".")