Remove unnecessary `Map` tests.
Remove unnecessary `Map` tests.

beaugunderson/lodash,steelsojka/lodash,beaugunderson/lodash,boneskull/lodash,Xotic750/lodash,Xotic750/lodash,Droogans/lodash,Droogans/lodash,tonyonodi/lodash,steelsojka/lodash,Xotic750/lodash,boneskull/lodash,rlugojr/lodash,msmorgan/lodash,msmorgan/lodash,Droogans/lodash,tonyonodi/lodash,rlugojr/lodash