GN: Remove "outputs" parameter for java_cpp_enum()

chrome/BUILD.gn

Index: chrome/BUILD.gn
diff --git a/chrome/BUILD.gn b/chrome/BUILD.gn
index 4f3cd2167309fb853cce5081a414f9a1af02d4df..241edc4336b49924160338d9faf7f19f0053e94a 100644
--- a/chrome/BUILD.gn
+++ b/chrome/BUILD.gn
@@ -920,9 +920,6 @@ if (is_android) {
     sources = [
       "../components/content_settings/core/common/content_settings.h",
     ]
-    outputs = [
-      "org/chromium/chrome/browser/preferences/website/ContentSettingValues.java",
-    ]
   }
 
   # GYP: //chrome/chrome.gyp:content_settings_type_java
@@ -930,9 +927,6 @@ if (is_android) {
     sources = [
       "../components/content_settings/core/common/content_settings_types.h",
     ]
-    outputs = [
-      "org/chromium/chrome/browser/ContentSettingsType.java",
-    ]
   }
 
   # GYP: //chrome/chrome.gyp:page_info_connection_type_java
@@ -940,9 +934,6 @@ if (is_android) {
     sources = [
       "browser/ui/android/website_settings_popup_android.h",
     ]
-    outputs = [
-      "org/chromium/chrome/browser/PageInfoConnectionType.java",
-    ]
   }
 
   # GYP: //chrome/chrome_android.gypi:chrome_android_core