So if you want to remove the comment counts from the side bar widget you need to do a small code change or else write a new plugin with necessary code changes . Changes are pretty simple .
open the \question2answer\qa-include\qa-widget-activity-count.php file
inside function output_widget there will be the lines
if (qa_opt('comment_on_qs') || qa_opt('comment_on_as'))
$this->output_count($themeobject, qa_opt('cache_ccount'), 'main/1_comment', 'main/x_comments');
Just comment those lines out .
Thats it . you wont get the comment count on the front page .
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