With default config mod will remove traders and translocators from spawn table (old ones will still be on the map).

Using config file you can change to be generated for selected structure from worldgen:structures.json:
in STRUCTURES_CHANCES
STRUCTURE_CODE: CHANCE_TO_BE_GENERATED

Default config:
{ "gates", -1f },
{ "tradercavaran", -1f },
{ "tradercavaranwagon", -1f },
{ "tradersettlement", -1f }