[FREELDR] Keep only the Starting and Errors messages for amd64.S (reactos#7530)

Author: iLauncherDev

boot/freeldr/freeldr/arch/realmode/amd64.S

@@ -61,14 +61,7 @@ Msg_Unsupported:
 Msg_Starting:
     .ascii "Starting FreeLoader...", CR, LF, NUL
 
-Msg_LongModeSupported:
-    .ascii "Long mode support detected.", CR, LF, NUL
-
 .LongModeSupported:
-    /* Output status */
-    mov si, offset Msg_LongModeSupported
-    call cs_writestr
-
     /* Build the startup page tables */
     call BuildPageTables
 
@@ -94,15 +87,8 @@ Msg_LongModeSupported:
     xor ax, ax
     mov es, ax
 
-    /* Output status */
-    mov si, offset Msg_SwitchToLongMode
-    call cs_writestr
-
     jmp ExitToLongMode
 
-Msg_SwitchToLongMode:
-    .ascii "Switching to long mode....", CR, LF, NUL
-
 .align 8
 gdt:
     .word HEX(0000), HEX(0000), HEX(0000), HEX(0000) /* 00: NULL descriptor */