Remove generated directories with 100s of files.

client/html/generated/html/dartium/SVGPathSegArcRel.dart

Index: client/html/generated/html/dartium/SVGPathSegArcRel.dart
diff --git a/client/html/generated/html/dartium/SVGPathSegArcRel.dart b/client/html/generated/html/dartium/SVGPathSegArcRel.dart
deleted file mode 100644
index bffe6958031c8f6b08613059a854e0158c1d78f7..0000000000000000000000000000000000000000
--- a/client/html/generated/html/dartium/SVGPathSegArcRel.dart
+++ /dev/null
@@ -1,32 +0,0 @@
-
-class _SVGPathSegArcRelImpl extends _SVGPathSegImpl implements SVGPathSegArcRel {
-  _SVGPathSegArcRelImpl._wrap(ptr) : super._wrap(ptr);
-
-  num get angle() => _wrap(_ptr.angle);
-
-  void set angle(num value) { _ptr.angle = _unwrap(value); }
-
-  bool get largeArcFlag() => _wrap(_ptr.largeArcFlag);
-
-  void set largeArcFlag(bool value) { _ptr.largeArcFlag = _unwrap(value); }
-
-  num get r1() => _wrap(_ptr.r1);
-
-  void set r1(num value) { _ptr.r1 = _unwrap(value); }
-
-  num get r2() => _wrap(_ptr.r2);
-
-  void set r2(num value) { _ptr.r2 = _unwrap(value); }
-
-  bool get sweepFlag() => _wrap(_ptr.sweepFlag);
-
-  void set sweepFlag(bool value) { _ptr.sweepFlag = _unwrap(value); }
-
-  num get x() => _wrap(_ptr.x);
-
-  void set x(num value) { _ptr.x = _unwrap(value); }
-
-  num get y() => _wrap(_ptr.y);
-
-  void set y(num value) { _ptr.y = _unwrap(value); }
-}