[2.0-prep] amount = "water" in ingredient patch is invalid

[kirazy]

Impacts 2.0-prep branch.

Issue:
With the removal of normal and expensive ingredients, the optional ingredients field is now required. Which means that this block of code now gets processed by the recipe builder (RB.build and check_ingredients):

mods/angelsrefining/prototypes/override/refining-override-water-treatment.lua

Lines 318 to 340 in 4fd9089

	OV.patch_recipes({
	{ name = "water-electrolysis", ingredients = { { name = "water-purified", type = "fluid", amount = "water" } } },
	{ name = "nitric-acid", ingredients = { { name = "water-purified", type = "fluid", amount = "water" } } },
	{ name = "sulfuric-acid-2", ingredients = { { name = "water-purified", type = "fluid", amount = "water" } } },
	{
	name = "petroleum-gas-cracking",
	ingredients = { { name = "water-purified", type = "fluid", amount = "water" } },
	},
	{ name = "coal-cracking", ingredients = { { name = "water-purified", type = "fluid", amount = "water" } } },
	{
	name = "lithium-water-electrolysis",
	ingredients = { { name = "water-purified", type = "fluid", amount = "water" } },
	},
	{ name = "explosives", ingredients = { { name = "water-purified", type = "fluid", amount = "water" } } },
	{ name = "sulfur", ingredients = { { name = "water-purified", type = "fluid", amount = "water" } } },
	{ name = "sulfuric-acid", ingredients = { { name = "water-purified", type = "fluid", amount = "water" } } },
	{ name = "heavy-oil-cracking", ingredients = { { name = "water-purified", type = "fluid", amount = "water" } } },
	{ name = "light-oil-cracking", ingredients = { { name = "water-purified", type = "fluid", amount = "water" } } },
	{
	name = "advanced-oil-processing",
	ingredients = { { name = "water-purified", type = "fluid", amount = "water" } },
	},
	})

Whereupon it attempts to multiply a string "water" by a number and throws an exception.