more golint cleanup

Author: mschenk42

event/manager.go

@@ -22,11 +22,7 @@ func Record(file string) error {
 		return err
 	}
 
-	if err := writeEventFile(sourcePath, gtmPath); err != nil {
-		return err
-	}
-
-	return nil
+	return writeEventFile(sourcePath, gtmPath)
 }
 
 // Process scans the gtmPath for event files and processes them.

metric/metric.go

@@ -248,11 +248,7 @@ func removeMetricFile(gtmPath, fileID string) error {
 	if _, err := os.Stat(fp); os.IsNotExist(err) {
 		return nil
 	}
-	if err := os.Remove(fp); err != nil {
-		return err
-	}
-
-	return nil
+	return os.Remove(fp)
 }
 
 // buildCommitMaps creates the write and read-only commit maps.

project/index.go

@@ -108,11 +108,7 @@ func (i *Index) load() error {
 		return err
 	}
 
-	if err := json.Unmarshal(raw, &i.Projects); err != nil {
-		return err
-	}
-
-	return nil
+	return json.Unmarshal(raw, &i.Projects)
 }
 
 func (i *Index) save() error {