remove SPIFFS

Author: Jason2866

platform.json

@@ -57,13 +57,6 @@
       "package-version": "1.203.210628",
       "version": "https://github.com/pioarduino/registry/releases/download/0.0.1/mklittlefs-2.3.0.zip"
     },
-    "tool-mkspiffs": {
-      "type": "uploader",
-      "optional": true,
-      "owner": "pioarduino",
-      "package-version": "1.200.0",
-      "version": "https://github.com/pioarduino/registry/releases/download/0.0.1/mkspiffs-1.2.0.zip"
-    },
     "tool-cppcheck": {
       "type": "tool",
       "optional": true,

platform.py

@@ -138,8 +138,6 @@ def install_tool(TOOL, retry_count=0):
             filesystem = variables.get("board_build.filesystem", "littlefs")
             if filesystem == "littlefs":
                 install_tool("tool-mklittlefs")
-            elif filesystem == "spiffs":
-                install_tool("tool-mkspiffs")
 
         return super().configure_default_packages(variables, targets)