Fix rubocop violations

Author: rafaelfranca

lib/better_html/tokenizer/html_lodash.rb

@@ -33,7 +33,7 @@ def scan!
             captures = scan_pattern.match(scanned).captures
 
             if (pre_match = captures[0])
-              add_text(pre_match) if pre_match.present? # rubocop:disable Metrics/BlockNesting
+              add_text(pre_match) if pre_match.present?
             end
 
             match = captures[1]

lib/better_html/tokenizer/location.rb

@@ -39,7 +39,7 @@ def line_range
       def line_source_with_underline
         spaces = source_line.scan(/\A\s*/).first
         column_without_spaces = [column - spaces.length, 0].max
-        underscore_length = (end_pos - begin_pos).clamp(1, (source_line.length - column_without_spaces))
+        underscore_length = (end_pos - begin_pos).clamp(1, source_line.length - column_without_spaces)
         "#{source_line.gsub(/\A\s*/, "")}\n#{" " * column_without_spaces}#{"^" * underscore_length}"
       end