test: remove logging from memory monitor

Commit be5a600 (tests: fix MMIO gaps in memory monitor tool) that fixed
the memory monitor to account for the 64-bit MMIO region included a
left-over debug print. Remove it.

Signed-off-by: Babis Chalios <[email protected]>

Author: bchalios

tests/host_tools/memory.py

@@ -84,7 +84,6 @@ def run(self):
             mem_total = 0
             for mmap in mmaps:
                 if self.is_guest_mem(mmap.size, guest_mem_bytes):
-                    print(f"Region {mmap} is guest memory")
                     continue
 
                 mem_total += mmap.rss