Move old multicol tests to a separate directory.

LayoutTests/fast/multicol/overflow-content.html

Index: LayoutTests/fast/multicol/overflow-content.html
diff --git a/LayoutTests/fast/multicol/overflow-content.html b/LayoutTests/fast/multicol/overflow-content.html
deleted file mode 100644
index fc5de7bda8541756dbfcb392a875aa2ae686525b..0000000000000000000000000000000000000000
--- a/LayoutTests/fast/multicol/overflow-content.html
+++ /dev/null
@@ -1,73 +0,0 @@
-<style>
-    div.test {
-        -webkit-logical-width: 100px;
-        -webkit-border-before: 5px solid;
-        -webkit-border-after: 15px solid;
-        -webkit-column-count: 2;
-        -webkit-column-gap: 0;
-        column-count: 2;
-        column-gap: 0;
-        column-fill: auto;
-        background-color: lightblue;
-    }
-    div.container {
-        -webkit-logical-height: 120px;
-        background-color: red;
-        -webkit-logical-width: 100px;
-        -webkit-margin-after: 8px;
-    }
-</style>
-<div>
-    <div class="container">
-        <div class="test" style="-webkit-logical-height: 100px;">
-            <div style="-webkit-logical-height: 20px;">
-                <div style="-webkit-logical-height: 300px; background-color: yellow;"></div>
-            </div>
-        </div>
-    </div>
-
-    <div class="container">
-        <div class="test">
-            <div style="-webkit-logical-height: 20px;">
-                <div style="-webkit-logical-height: 200px; background-color: yellow;"></div>
-            </div>
-        </div>
-    </div>
-
-    <div class="container">
-        <div class="test">
-            <div style="-webkit-logical-height: 10px;"></div>
-            <div style="-webkit-column-break-before: always; -webkit-logical-height: 10px;">
-                <div style="-webkit-logical-height: 100px; background-color: yellow;"></div>
-            </div>
-            <div style="-webkit-logical-height: 20px;"></div>
-        </div>
-    </div>
-</div>
-<div style="-webkit-writing-mode: vertical-rl;">
-    <div class="container">
-        <div class="test" style="-webkit-logical-height: 100px;">
-            <div style="-webkit-logical-height: 20px;">
-                <div style="-webkit-logical-height: 300px; background-color: yellow;"></div>
-            </div>
-        </div>
-    </div>
-
-    <div class="container">
-        <div class="test">
-            <div style="-webkit-logical-height: 20px;">
-                <div style="-webkit-logical-height: 200px; background-color: yellow;"></div>
-            </div>
-        </div>
-    </div>
-
-    <div class="container">
-        <div class="test">
-            <div style="-webkit-logical-height: 10px;"></div>
-            <div style="-webkit-column-break-before: always; -webkit-logical-height: 10px;">
-                <div style="-webkit-logical-height: 100px; background-color: yellow;"></div>
-            </div>
-            <div style="-webkit-logical-height: 20px;"></div>
-        </div>
-    </div>
-</div>