remove 32Mb flash size

Author: i3water

boards.txt

@@ -31717,8 +31717,6 @@ wifiduino32s3.menu.FlashMode.opi.build.flash_freq=80m
 
 wifiduino32s3.menu.FlashSize.16M=16MB (128Mb)
 wifiduino32s3.menu.FlashSize.16M.build.flash_size=16MB
-wifiduino32s3.menu.FlashSize.4M=4MB (32Mb)
-wifiduino32s3.menu.FlashSize.4M.build.flash_size=4MB
 wifiduino32s3.menu.FlashSize.8M=8MB (64Mb)
 wifiduino32s3.menu.FlashSize.8M.build.flash_size=8MB
 #wifiduino32s3.menu.FlashSize.32M=32MB (256Mb)