This is untested, but I'm pretty sure this should do it.
FIND IN
postbit_legacy
Code:
<if condition="$show['reputation']"><div><if condition="$show['reppower']">$vbphrase[reppower]: <span id="reppower_$post[postid]_$post[userid]">$post[reppower]</span> </if><span id="repdisplay_$post[postid]_$post[userid]">$post[reputationdisplay]</span></div></if>
REPLACE WITH
Code:
<if condition="$show['reputation']"><div><if condition="$show['reppower']">$vbphrase[reppower]: <span id="reppower_$post[postid]_$post[userid]">$post[reppower]</span></if></div></if>