Fix accidental commit of Czech translation as Polish

I inadvertently committed the new Czech translation as Polish.

editions/introduction/tiddlywiki.info

@@ -28,7 +28,7 @@
 		"zh-Hant",
 		"it-IT",
 		"ja-JP",
-		"pl-PL",
+		"cs-CZ",
 		"ru-RU"
 	],
 	"build": {

editions/translators/tiddlywiki.info

@@ -17,7 +17,7 @@
 		"zh-Hant",
 		"it-IT",
 		"ja-JP",
-		"pl-PL",
+		"cs-CZ",
 		"ru-RU"
 	],
 	"themes": [

editions/tw5.com/tiddlywiki.info

@@ -29,7 +29,7 @@
 		"zh-Hant",
 		"it-IT",
 		"ja-JP",
-		"pl-PL",
+		"cs-CZ",
 		"ru-RU"
 	],
 	"build": {

languages/cs-CZ/icon.tid

@@ -0,0 +1,9 @@
+title: $:/languages/cs-CZ/icon
+type: image/svg+xml
+
+<?xml version="1.0" encoding="UTF-8"?>
+<svg version="1.0" xmlns="http://www.w3.org/2000/svg" width="900" height="600">
+	<rect width="900" height="600" fill="#d7141a"/>
+	<rect width="900" height="300" fill="#fff"/>
+	<path d="M 450,300 0,0 V 600 z" fill="#11457e"/>
+</svg>

languages/cs-CZ/plugin.info

@@ -0,0 +1,8 @@
+{
+	"title": "$:/languages/cs-CZ",
+	"name": "cs-CZ",
+	"plugin-type": "language",
+	"description": "Česky (Czech Republic)",
+	"author": "Zdeněk Jašek",
+	"core-version": ">=5.0.0"
+}

languages/pl-PL/icon.tid

@@ -1,8 +0,0 @@
-title: $:/languages/pl-PL/icon
-type: image/svg+xml
-
-<?xml version="1.0" encoding="UTF-8"?>
-<svg xmlns="http://www.w3.org/2000/svg" width="1280" height="800" viewBox="0 0 16 10">
-<rect width="16" height="10" fill="#fff" stroke="#a0a0a0" stroke-width="0.5px"/>
-<rect width="16" height="5" fill="#dc143c" y="5"/>
-</svg>

languages/pl-PL/plugin.info

@@ -1,8 +0,0 @@
-{
-	"title": "$:/languages/pl-PL",
-	"name": "pl-PL",
-	"plugin-type": "language",
-	"description": "Polish (Poland)",
-	"author": "Zdeněk Jašek",
-	"core-version": ">=5.0.0"
-}