Remove generated directories with 100s of files.

client/html/generated/html/frog/SVGPreserveAspectRatio.dart

Index: client/html/generated/html/frog/SVGPreserveAspectRatio.dart
diff --git a/client/html/generated/html/frog/SVGPreserveAspectRatio.dart b/client/html/generated/html/frog/SVGPreserveAspectRatio.dart
deleted file mode 100644
index 2b31d483adb05bbc23e2d5b0343c731394aa58c5..0000000000000000000000000000000000000000
--- a/client/html/generated/html/frog/SVGPreserveAspectRatio.dart
+++ /dev/null
@@ -1,35 +0,0 @@
-
-class _SVGPreserveAspectRatioImpl implements SVGPreserveAspectRatio native "*SVGPreserveAspectRatio" {
-
-  static final int SVG_MEETORSLICE_MEET = 1;
-
-  static final int SVG_MEETORSLICE_SLICE = 2;
-
-  static final int SVG_MEETORSLICE_UNKNOWN = 0;
-
-  static final int SVG_PRESERVEASPECTRATIO_NONE = 1;
-
-  static final int SVG_PRESERVEASPECTRATIO_UNKNOWN = 0;
-
-  static final int SVG_PRESERVEASPECTRATIO_XMAXYMAX = 10;
-
-  static final int SVG_PRESERVEASPECTRATIO_XMAXYMID = 7;
-
-  static final int SVG_PRESERVEASPECTRATIO_XMAXYMIN = 4;
-
-  static final int SVG_PRESERVEASPECTRATIO_XMIDYMAX = 9;
-
-  static final int SVG_PRESERVEASPECTRATIO_XMIDYMID = 6;
-
-  static final int SVG_PRESERVEASPECTRATIO_XMIDYMIN = 3;
-
-  static final int SVG_PRESERVEASPECTRATIO_XMINYMAX = 8;
-
-  static final int SVG_PRESERVEASPECTRATIO_XMINYMID = 5;
-
-  static final int SVG_PRESERVEASPECTRATIO_XMINYMIN = 2;
-
-  int align;
-
-  int meetOrSlice;
-}