Bumb jumbo builds

With content/browser and content/browser limited in GN, we can drop
disabling them here and try increasing the jumbo-width a little.

Change-Id: I0f84e44881c8a71ee57a4bba2230c5f110595616
Reviewed-by: Michal Klocek <michal.klocek@qt.io>

src/core/config/common.pri

@@ -23,8 +23,7 @@ gn_args += \
 
 !win32: gn_args += \
     use_jumbo_build=true \
-    jumbo_file_merge_limit=8 \
-    jumbo_build_excluded="[\"browser\",\"renderer\"]"
+    jumbo_file_merge_limit=8
 
 qtConfig(webengine-printing-and-pdf) {
     gn_args += enable_basic_printing=true enable_print_preview=true