Pyscss is obsolete with Dart CSS complier; remove all pyscss code.

third_party/pyscss/scss/tests/example.scss

Index: third_party/pyscss/scss/tests/example.scss
diff --git a/third_party/pyscss/scss/tests/example.scss b/third_party/pyscss/scss/tests/example.scss
deleted file mode 100644
index 7fcf86fa5351aaa3c4576b2d041254e9ccb0fe56..0000000000000000000000000000000000000000
--- a/third_party/pyscss/scss/tests/example.scss
+++ /dev/null
@@ -1,32 +0,0 @@
-@charset utf-8;
-@import url(test);
-
-@mixin z-base {
-    a:hover, a:active { outline: none; }
-    a, a:active, a:visited { color: #607890; }
-    a:hover { color: #036; }
-    @debug test; }
-
-@media print {
-    @include z-base; }
-
-// Test comment
-/* Css comment */
-body {
-    $font: Georgia;
-
-    margin-bottom: .5em;
-    font-family: $font, sans-serif;
-    *font:13px/1.231 sans-serif; }
-
-.test {
-    color: red;
-    &:after {
-        content: 'blue'; }}
-
-pre, code, kbd, samp {
-    font: 12px/10px;
-    font-family: monospace, sans-serif; }
-
-abbr[title], dfn[title] {
-    border:2px; }