Remove a superfluous condition

No need to check if the length of `line` is positive since we're checking
afterwards that it contains the `=` sign.

internal/config/parser.go

@@ -56,7 +56,7 @@ func (p *Parser) parseFileContent(r io.Reader) (lines []string) {
 	scanner := bufio.NewScanner(r)
 	for scanner.Scan() {
 		line := strings.TrimSpace(scanner.Text())
-		if len(line) > 0 && !strings.HasPrefix(line, "#") && strings.Index(line, "=") > 0 {
+		if !strings.HasPrefix(line, "#") && strings.Index(line, "=") > 0 {
 			lines = append(lines, line)
 		}
 	}