Remove PIC initialization

x86_64/initialize.asm

@@ -53,26 +53,3 @@ initialize:
     ;or al, 0x40
     ;out 0x71, al
     ret
-
-.pic:    ;sets up IRQs at int 20-2F
-    mov al, 0x11
-    out 0x20, al
-    out 0xA0, al
-    mov al, 0x20    ;IRQ0 vector
-    out 0x21, al
-    mov al, 0x28    ;IRQ8 vector
-    out 0xA1, al
-    mov al, 4
-    out 0x21, al
-    mov al, 2
-    out 0xA1, al
-    mov al, 1
-    out 0x21, al
-    out 0xA1, al
-    xor al, al        ;no IRQ masks
-    out 0x21, al
-    out 0xA1, al
-    mov al, 0x20    ;reset PIC's
-    out 0xA0, al
-    out 0x20, al
-    ret

x86_64/startup-common.asm

@@ -86,10 +86,6 @@ finished_loading:
     call printrm
     call initialize.pit
 
-    mov si, init_pic_msg
-    call printrm
-    call initialize.pic
-
     mov si, startup_arch_msg
     call printrm