Fix TeensyHID bootloader Doxygen configuration file's CREATE_SUBDIRS options...

Fix TeensyHID bootloader Doxygen configuration file's CREATE_SUBDIRS options set to true instead of false (thanks to Andrei Krainev).

Bootloaders/TeensyHID/Doxygen.conf

@@ -47,7 +47,7 @@ OUTPUT_DIRECTORY       = ./Documentation/
 # source files, where putting all generated files in the same directory would
 # otherwise cause performance problems for the file system.
 
-CREATE_SUBDIRS         = YES
+CREATE_SUBDIRS         = NO
 
 # The OUTPUT_LANGUAGE tag is used to specify the language in which all
 # documentation generated by doxygen is written. Doxygen will use this