Remove multi-install from install_static.

chrome/install_static/chromium_install_modes.cc

Index: chrome/install_static/chromium_install_modes.cc
diff --git a/chrome/install_static/chromium_install_modes.cc b/chrome/install_static/chromium_install_modes.cc
index 3e58e0d8224d4e145f9fb97dfd701ed5072e5bdc..7bb5db3e0ef768c2d9a75e82d49a63da0f61d5ff 100644
--- a/chrome/install_static/chromium_install_modes.cc
+++ b/chrome/install_static/chromium_install_modes.cc
@@ -31,7 +31,7 @@ const InstallConstants kInstallModes[] = {
         L"",  // Empty default channel name as above.
         ChannelStrategy::UNSUPPORTED,
         true,  // Supports system-level installs.
-        true,  // Supports multi-install.
+        true,  // Supported multi-install.
     },
 };