Remove signature to allow any table name for from

[olee]

I think the 3rd signature for the from method should be removed which currently allows using any table name inside the postgrest client: https://github.com/supabase/postgrest-js/blob/f730aa793fbc8650de8bf914c816e943eba42844/src/PostgrestClient.ts#L59-L66 Currently this makes it quite hard to catch errors when for example removing or renaming tables.

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If anyone would like to allow calling from on unknown tables, they could still do it imho by adding an index signature to the schema eg.

type Database = {
    public: {
        Tables: {
            /* standard signatures go here */

            // Allow any table name in from etc
            [key: string]: any;
        }
    }
}