Remove placeholder texts for screenshots

README.md

@@ -9,13 +9,13 @@ VN/AVG/ADV/Gal game engine based on [sizuku_gba2](http://akkera102.sakura.ne.jp/
 
 ### Screenshot
 
-![summer-0](https://user-images.githubusercontent.com/8841957/185962493-bed92953-1d01-4a38-9be2-50333a5123ab.png)
-![summer-1](https://user-images.githubusercontent.com/8841957/185962498-8d2f0b4f-6571-4fc3-9dcc-15ec573b4934.png)
-![summer-2](https://user-images.githubusercontent.com/8841957/185962500-e2cd89bd-8dd3-4eef-82dc-c3b00a7e701f.png)
+![](https://user-images.githubusercontent.com/8841957/185962493-bed92953-1d01-4a38-9be2-50333a5123ab.png)
+![](https://user-images.githubusercontent.com/8841957/185962498-8d2f0b4f-6571-4fc3-9dcc-15ec573b4934.png)
+![](https://user-images.githubusercontent.com/8841957/185962500-e2cd89bd-8dd3-4eef-82dc-c3b00a7e701f.png)
 
-![summer-3](https://user-images.githubusercontent.com/8841957/185962501-b465de1c-11c8-418e-91a5-37847e6193dd.png)
-![summer-4](https://user-images.githubusercontent.com/8841957/185962503-53b15280-12da-46c6-9dd2-4f0cfef7b1b3.png)
-![summer-5](https://user-images.githubusercontent.com/8841957/185962509-4350b9be-4f07-4d39-ae42-454ceff77712.png)
+![](https://user-images.githubusercontent.com/8841957/185962501-b465de1c-11c8-418e-91a5-37847e6193dd.png)
+![](https://user-images.githubusercontent.com/8841957/185962503-53b15280-12da-46c6-9dd2-4f0cfef7b1b3.png)
+![](https://user-images.githubusercontent.com/8841957/185962509-4350b9be-4f07-4d39-ae42-454ceff77712.png)
 
 ### Credit