Remove core.file_exists (it should be implemented with fs::IsFile but i dont know c++ (new commit because i forgot about the autoformatter being on)

.luacheckrc

@@ -22,7 +22,7 @@ read_globals = {
 	"ValueNoise", "ValueNoiseMap",
 
 	string = {fields = {"split", "trim"}},
-	table  = {fields = {"copy", "copy_with_metatables", "getn", "indexof", "keyof", "insert_all"}},
+	table  = {fields = {"copy", "copy_with_metatables", "getn", "indexof", "keyof", "insert_all","shuffle"}},
 	math   = {fields = {"hypot", "round"}},
 }
 

builtin/common/misc_helpers.lua

@@ -120,10 +120,7 @@ end
 function dump(value, indent)
 	indent = indent or "\t"
 
-	assert(
+	assert(type(indent) == "string", "dump()'s second argument should be a string or nil.")
-		type(indent) == "string",
-		"dump()'s second argument should be a string or nil, to dump multiple things use dump({a, b})."
-	)
 
 	local newline = indent == "" and "" or "\n"
 

doc/lua_api.md

@@ -4317,10 +4317,6 @@ Helper functions
     * `tool_capabilities`: Tool capabilities table of the item
     * `time_from_last_punch`: time in seconds since last punch action
     * `wear`: Amount of wear the item starts with (default: 0)
-* `core.file_exists(path)`
-    * Returns true if a file exists
-    * Use if you only want to check if a file exists, don't use to check if you can open it (example: you can check if a schematic exists before loading it)
-