Fix linux-bootstrap-1.md incorrect merging

Correct merging of commit da38b6038d line 253

Booting/linux-bootstrap-1.md

@@ -252,10 +252,6 @@ Start of Kernel Setup
 
 Finally we are in the kernel. Technically kernel didn't run yet, first of all we need to setup kernel, memory manager, process manager etc. Kernel setup execution starts from [arch/x86/boot/header.S](https://github.com/torvalds/linux/blob/master/arch/x86/boot/header.S) at the [_start](https://github.com/torvalds/linux/blob/master/arch/x86/boot/header.S#L293). It is a little strange at the first look, there are many instructions before it.
 
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-Finally we are in the kernel. Technically kernel didn't run yet, first of all we need to setup kernel, memory manager, process manager, etc. Kernel setup execution starts from [arch/x86/boot/header.S](https://github.com/torvalds/linux/blob/master/arch/x86/boot/header.S) at the [_start](https://github.com/torvalds/linux/blob/master/arch/x86/boot/header.S#L293). It is little strange at the first look, there are many instructions before it. Actually....
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 Actually Long time ago Linux kernel had its own bootloader, but now if you run for example:
 
 ```