removed obsolete code, CBDOS is going to be based on hypervisor calls

src/basic/assets/str_nolgpl3_warn.s

@@ -1,15 +0,0 @@
-;; #LAYOUT# M65 BASIC_1 #TAKE
-;; #LAYOUT# *   *       #IGNORE
-
-
-
-!ifdef HAS_NOLGPL3_WARN {
-
-str_nonlgpl3_warn:
-
-	!byte $0D, $0D, $0D, $0D
-	!pet "build contains non-lgpl3 code"
-	!byte $0D
-	!pet "  *** do not distribute ***"
-	!byte $0D, $0D, $00
-}

src/basic/init/initmsg_m65.s

@@ -64,18 +64,9 @@ INITMSG_native:
 
 	jsr initmsg_bytes_free
 
-!ifdef HAS_NOLGPL3_WARN {
-
-	lda #<str_nonlgpl3_warn
-	ldy #>str_nonlgpl3_warn
-	jmp STROUT
-
-} else {
-
 	ldx #$09
 	ldy #$00
 	jmp plot_set
-}
 
 INITMSG_main_banner:
 

src/basic/init/initmsg_real.s

@@ -115,5 +115,3 @@ initmsg_real:
 }
 
 }
-
-!ifdef HAS_NOLGPL3_WARN { !error "HAS_NOLGPL3_WARN not implemented" }