Remove Layout/TrailingWhitespace offenses

```
rubocop --only Layout/TrailingWhitespace -a
```

1 files changed, 4 insertions, 4 deletions

diff --git a/lib/axlsx/workbook/worksheet/row.rb b/lib/axlsx/workbook/worksheet/row.rb
index 63a8d328..62ceb59c 100644
--- a/lib/axlsx/workbook/worksheet/row.rb
+++ b/lib/axlsx/workbook/worksheet/row.rb
@@ -6,7 +6,7 @@ module Axlsx
   class Row < SimpleTypedList
     include SerializedAttributes
     include Accessors
-    
+
     # No support is provided for the following attributes
     # spans
     # thickTop
@@ -64,7 +64,7 @@ module Axlsx
     # @see Row#s
     def s=(v)
       Axlsx.validate_unsigned_numeric(v)
-      @custom_format = true 
+      @custom_format = true
       @s = v
     end
 
@@ -73,7 +73,7 @@ module Axlsx
       Axlsx.validate_unsigned_numeric(v)
       @outline_level = v
     end
-    
+
     alias :outlineLevel= :outline_level=
 
     # The index of this row in the worksheet
@@ -126,7 +126,7 @@ module Axlsx
         @ht = v
       end
     end
-    
+
     # return cells
     def cells
       self