Withered leaves from heat/Burned leaves

These are not the best photos but if you look you can see the leaves are crinkling up and pulling in on themselves. 
 

 

 
It's only a few plants but I had a question. Should I top these plants or just let them grow? Will the new grown be effected by the heat damage if I don't top them? This one isn't so bad but I have two that are worse. Should I top them or just let them continue to grow? I'm not worried about effected leaves only the new growth. 
 
Thanks! 
 
 
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