Refactor, part 7; register XTLDR protocol

bootdata/xtldr/xtldr.ini

@@ -6,7 +6,6 @@
 # Debug        - enables the debugging port and consists of two comma-separated parameters: com port and baud rate;
 #                it is also possible to specify custom port address with: COM0:[address],[baud_rate]
 # Default      - specifies which operating system listen in config file will be started if no choice is made
-# Theme        - allows to set a custom theme to personalize XTLDR's look'n'feel
 # Timeout      - sets the countdown timer (in seconds) before the default OS get started automatically
 # Tune         - plays a tune on the pcspeaker right before the XTLDR loads
 #
@@ -25,7 +24,6 @@
 Tune=400 880 2 988 2 783 2 392 2 587 3
 Debug=COM1,115200
 Timeout=30
-Theme=Fancy
 Default=ExectOS
 
 [ExectOS]