Delete pop-pop-win from the repo

samples/pop_pop_win/lib/assets/style.css

Index: samples/pop_pop_win/lib/assets/style.css
diff --git a/samples/pop_pop_win/lib/assets/style.css b/samples/pop_pop_win/lib/assets/style.css
deleted file mode 100644
index 6af96de0d32625d86ffee596775ed57edcf08932..0000000000000000000000000000000000000000
--- a/samples/pop_pop_win/lib/assets/style.css
+++ /dev/null
@@ -1,36 +0,0 @@
-body {
-  font-family: 'Slackey', cursive;
-  text-align: center;
-  background: rgb(180,173,127);
-  margin: 0;
-  font-size: 16px;
-}
-
-#popup {
-  font-family: 'Josefin Sans', serif;
-  position: relative;
-  display: none;
-  text-align: center;
-  width: 400px;
-  background: rgb(247,235,203);
-  border: 12px solid rgb(221,212,173);
-  margin: 20px;
-  box-shadow: 5px 5px 10px 5px rgba(0, 0, 0, 0.5);
-}
-
-#popup div {
-  margin: 10px;
-}
-
-#popup #help p {
-  text-align: left;
-}
-
-#popup #help img {
-  float: left;
-  margin-right: 10px;
-}
-
-canvas#gameCanvas {
-  position: absolute;
-}