Update idf_tools.py

Author: Jason2866

tools/idf_tools.py

@@ -84,7 +84,7 @@ class WindowsError(OSError):  # type: ignore
 TOOLS_FILE_NEW = 'tools/tools.new.json'
 IDF_ENV_FILE = 'idf-env.json'
 TOOLS_FILE_VERSION = 1
-IDF_TOOLS_PATH_DEFAULT = os.path.join('~', '.platformio', '.install')
+IDF_TOOLS_PATH_DEFAULT = os.path.join('~', '.platformio')
 UNKNOWN_VERSION = 'unknown'
 SUBST_TOOL_PATH_REGEX = re.compile(r'\${TOOL_PATH}')
 VERSION_REGEX_REPLACE_DEFAULT = r'\1'