Remove <meta>

sky/engine/core/BUILD.gn

Index: sky/engine/core/BUILD.gn
diff --git a/sky/engine/core/BUILD.gn b/sky/engine/core/BUILD.gn
index 6225b1740bdb208cf1bce81d57c6eb80a4783b41..f3f4e370dc16b7a85c1d6573af4c31a69c152ce2 100644
--- a/sky/engine/core/BUILD.gn
+++ b/sky/engine/core/BUILD.gn
@@ -100,9 +100,6 @@ source_set("core_generated") {
     # Generated from BisonCSSParser-in.cpp
     "$sky_core_output_dir/BisonCSSParser.cpp",
 
-    # Generated from HTMLMetaElement-in.cpp
-    "$sky_core_output_dir/HTMLMetaElement.cpp",
-
     # Additional .cpp files from the make_core_generated rules.
     "$sky_core_output_dir/CSSGrammar.cpp",
   ]
@@ -190,7 +187,6 @@ group("make_core_generated") {
     ":make_core_generated_html_element_type_helpers",
     ":make_core_generated_make_parser",
     ":make_core_generated_make_token_matcher",
-    ":make_core_generated_make_token_matcher_for_viewport",
     ":make_core_generated_media_feature_names",
     ":make_core_generated_media_features",
     ":make_core_generated_media_query_tokenizer_codepoints",
@@ -429,11 +425,6 @@ make_token_matcher("make_core_generated_make_parser") {
   output_file = "$sky_core_output_dir/BisonCSSParser.cpp"
 }
 
-make_token_matcher("make_core_generated_make_token_matcher_for_viewport") {
-  input_file = "html/HTMLMetaElement-in.cpp"
-  output_file = "$sky_core_output_dir/HTMLMetaElement.cpp"
-}
-
 # One-off scripts --------------------------------------------------------------
 
 action("make_core_generated_media_query_tokenizer_codepoints") {