docs: minor changes in comments

Kernel/cmake/aarch64-bare.cmake

@@ -13,7 +13,7 @@ if(NOT LLVM_BIN)
     else()
         find_program(_CLANG clang)
         if(NOT _CLANG)
-            message(FATAL_ERROR "clang not found. Install: apt install clang lld / dnf install clang lld")
+            message(FATAL_ERROR "clang not found.")
         endif()
         get_filename_component(LLVM_BIN "${_CLANG}" DIRECTORY)
     endif()

justfile

@@ -3,31 +3,23 @@ set quiet := true
 OS_NAME   := os()
 ARCH_NAME := arch()
 
-# Homebrew prefix (arm64 mac vs x86_64 mac)
 HB_PREFIX := if ARCH_NAME == "aarch64" { "/opt/homebrew" } else { "/usr/local" }
 export PATH := HB_PREFIX + "/bin:" + HB_PREFIX + "/sbin:" + env_var("PATH")
 
-# QEMU acceleration: HVF on Apple Silicon, KVM on aarch64 Linux, TCG otherwise
 ACCEL := if OS_NAME == "macos" {
     if ARCH_NAME == "aarch64" { "-accel hvf" } else { "" }
 } else {
     if ARCH_NAME == "aarch64" { "-accel kvm" } else { "" }
 }
 
-# CPU type: "host" with hardware virt, "max" for cross-arch TCG
 CPU := if ARCH_NAME == "aarch64" { "host" } else { "max" }
 
-# AArch64 UEFI firmware
-# Linux default is Fedora/RHEL path; override via OVMF_PATH env var:
-#   Debian/Ubuntu: /usr/share/qemu-efi-aarch64/QEMU_EFI.fd
-#   Arch:          /usr/share/edk2-armvirt/aarch64/QEMU_CODE.fd
 OVMF_ARM := if OS_NAME == "macos" {
     HB_PREFIX + "/share/qemu/edk2-aarch64-code.fd"
 } else {
     env_var_or_default("OVMF_PATH", "/usr/share/edk2/aarch64/QEMU_EFI.fd")
 }
 
-# Display backend
 DISPLAY_FLAGS := if OS_NAME == "macos" {
     "-display cocoa,show-cursor=on"
 } else {