trivial: drop dma protection message

Signed-off-by: Mario Limonciello <mario.limonciello@amd.com>

src/amd_debug/prerequisites.py

diff --git a/src/amd_debug/prerequisites.py b/src/amd_debug/prerequisites.py
index f6e8c35..21f4c1d 100644
--- a/src/amd_debug/prerequisites.py
+++ b/src/amd_debug/prerequisites.py
@@ -1145,7 +1145,6 @@
             if not found_iommu:
                 self.db.record_prereq("IOMMU disabled", "✅")
                 return True
-            debug_str += "DMA protection:\n"
             p = os.path.join("/", "sys", "firmware", "acpi", "tables", "IVRS")
             with open(p, "rb") as f:
                 data = f.read()