remove vim settings from files (#676)

vim is great, but just use .vimrc instead of settings in the source files.

or if anyone cares that much, write up a sample one and add it to git.

lib/App/Netdisco/SSHCollector/Platform/IOSXR.pm

@@ -1,7 +1,5 @@
 package App::Netdisco::SSHCollector::Platform::IOSXR;
 
-# vim: set expandtab tabstop=8 softtabstop=4 shiftwidth=4:
-
 =head1 NAME
 
 App::Netdisco::SSHCollector::Platform::IOSXR