Remove non-delimiter separated content from registry file

The registry data uses a delimiter-separated format (AKA "CSV"). However, the custom parser used with this file also
allows empty lines and comments.

Previously the registry file contained various comments, but on evaluation none of these contained any information of
value.

The file also contained various blank lines, mostly randomly sprinkled through the file. Even the ones that were
intended to break the file into logical sections at the time when it was manually maintained were largely meaningless
due to the fact that the automated system used now always appends new entries to the end of the file.

These divergences from a pure delimiter-separated data format made it inconvenient to use the registry file with tools
that support working with standardized delimiter-separated data.

Since the divergent content didn't provide any value and instead only cluttered up the file and made maintenance more
difficult, it is hereby removed.

Author: per1234