mac: Delete more 10.5-only code

chrome/app/generated_resources.grd

Index: chrome/app/generated_resources.grd
diff --git a/chrome/app/generated_resources.grd b/chrome/app/generated_resources.grd
index 4d215764ea12eb2ccc962959d87fed61bee7f2c4..9e3c099a910ca8881da9233e3b1ac73c8047fb9e 100644
--- a/chrome/app/generated_resources.grd
+++ b/chrome/app/generated_resources.grd
@@ -13215,14 +13215,6 @@ Some features may be unavailable.  Please check that the profile exists and you
       <message name="IDS_INSTALL_FROM_DMG_ERROR" desc="Error dialog message to be displayed when installation from the disk image fails.  Mac-only.">
         <ph name="PRODUCT_NAME">$1<ex>Google Chrome</ex></ph> couldn't complete installation, but will continue to run from its disk image.
       </message>
-
-      <!-- Mac 10.5 deprecation -->
-      <message name="IDS_MAC_10_5_LEOPARD_OBSOLETE_SOON" desc="A message displayed on a weekly infobar and About (Help) page warning the user that the OS they are running is about to become unsupported.">
-        This computer will soon stop receiving updates of <ph name="PRODUCT_NAME">$1<ex>Google Chrome</ex></ph> because it's running Mac OS X 10.5.
-      </message>
-      <message name="IDS_MAC_10_5_LEOPARD_OBSOLETE_NOW" desc="A message displayed on a weekly infobar and About (Help) page warning the user that the OS they are running is no longer supported.">
-        This computer will no longer receive updates of <ph name="PRODUCT_NAME">$1<ex>Google Chrome</ex></ph> because it's running Mac OS X 10.5.
-      </message>
     </if>
 
     <!-- File Selection Dialog Policy - Infobar -->