Remove unactionable verbose log about ignored viewport metrics. (#34231)

shell/common/shell.cc

diff --git a/shell/common/shell.cc b/shell/common/shell.cc
index eb95199..d6ef5a8 100644
--- a/shell/common/shell.cc
+++ b/shell/common/shell.cc
@@ -918,11 +918,7 @@
 
   if (metrics.device_pixel_ratio <= 0 || metrics.physical_width <= 0 ||
       metrics.physical_height <= 0) {
-    FML_DLOG(ERROR)
-        << "Embedding reported invalid ViewportMetrics, ignoring update."
-        << "\nphysical_width: " << metrics.physical_width
-        << "\nphysical_height: " << metrics.physical_height
-        << "\ndevice_pixel_ratio: " << metrics.device_pixel_ratio;
+    // Ignore invalid view-port metrics.
     return;
   }