cleanup all globally hardcoded remaps for multirobots (#1214)

* cleanup all globally hardcoded remaps for multirobots

* fixing map path

* fix pep8 indent

* linter happy now?

* Fix linter errors

* reincluding /scan on scan

* multirobot launch with unique configurations

* multirobot tests using both configuration files

* make flake8 happy

* flake8 try2

* flakey9

* flake10

* attempt flake exception

* flake11

* flake12

* noqa on lin

* changing launch configuration in loop