Update costco.md

for this week
Update costco.md

remove tortilla bread
Create aldi.md
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updated grocery list
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updated from aldi website
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format update
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added from last week's list
Update costco.md

Don't need eggs this week
Update aldi.md

I think I can finish the onions before the end of the week
Merge pull request #7 from 9034725985/next

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