To trim or not to trim?

image.jpg image.jpg Hi so I just added some nutrients to my water couple days ago and I already see yellowing :( but it's only on the bottom single seedling leafs that haven't sprouted anything in between the branch and the stem, my question is should I just cut them off? The tips are starting to turn yellow I gave it the 3week recommended it's over a month old what do you guys think?
 
Thanks for the tips guys that was after it's first nutrient mix I'm going to cut the dose in half the next time I water appreciate it
 
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