chore: remove old versions of docs (coder#972)

Katie Horne · web-flow · commit dcfe869e22b5 · 2022-05-02T12:33:51.000-05:00
diff --git a/manifest.json b/manifest.json
@@ -1,16 +1,5 @@
 {
-  "versions": [
-    "v1.30",
-    "v1.29",
-    "v1.28",
-    "v1.27",
-    "v1.26",
-    "v1.25",
-    "v1.24",
-    "v1.23",
-    "v1.22",
-    "v1.21"
-  ],
+  "versions": ["v1.30", "v1.29", "v1.28", "v1.27", "v1.26"],
   "routes": [
     {
       "path": "./index.md",
