To change the engrams or So you can easily remove the items you dont want:
Just put this in your Game.ini and replace the "names"

OverrideNamedEngramEntries=(EngramClassName="EngramEntry_XXXXXXX_C",EngramHidden=True,EngramPointsCost=999,EngramLevelRequirement=999,RemoveEngramPreReq=False)



To change crafting requirements, put this in your Game.ini, and change the "ItemClassString", and "ResourceItemTypeString"

ConfigOverrideItemCraftingCosts=(ItemClassString="XXXX_C",BaseCraftingResourceRequirements=((ResourceItemTypeString="XXXXXX_C",BaseResourceRequirement=5000.0,bCraftingRequireExactResourceType=false),(ResourceItemTypeString="XXXXXX_C",BaseResourceRequirement=100.0,bCraftingRequireExactResourceType=false),(ResourceItemTypeString="XXXXXX_C",BaseResourceRequirement=1000.0,bCraftingRequireExactResourceType=false)))




All the code you need, engramentry and other, can be found here:
https://docs.google.com/spreadsheets/d/1DndLIS9p_b59kx6JHtSaS5I6A81kjVi82tcQBOOHIPg/edit#gid=814623268