Use "should" that could be confusing.

Change-Id: I2d778d07df7bee7ebdc179cb75bd0ef04d157c63
diff --git a/src/profiling/memory/shared_ring_buffer.cc b/src/profiling/memory/shared_ring_buffer.cc
index 826425d..0eee59d 100644
--- a/src/profiling/memory/shared_ring_buffer.cc
+++ b/src/profiling/memory/shared_ring_buffer.cc
@@ -62,8 +62,8 @@
 
   if (!fd) {
 #if PERFETTO_BUILDFLAG(PERFETTO_ANDROID_BUILD)
-    // In-tree builds should only allow mem_fd, so we can inspect the seals
-    // to verify the fd is appropriately sealed.
+    // In-tree builds only allow mem_fd, so we can inspect the seals to verify
+    // the fd is appropriately sealed.
     PERFETTO_ELOG("memfd_create() failed");
     return;
 #else