revert fix

src/LITTLEFS.cpp

@@ -41,7 +41,7 @@ LITTLEFSImpl::LITTLEFSImpl()
 
 bool LITTLEFSImpl::exists(const char* path)
 {
-    File f = open(path, "r");
+    File f = open(path, "r", false);
     return (f == true);
 }
 

src/esp_littlefs.c

@@ -16,7 +16,7 @@
 #if __has_include("esp_arduino_version.h")
 #include "esp_arduino_version.h"
 #if ESP_ARDUINO_VERSION >= ESP_ARDUINO_VERSION_VAL(2, 0, 0)
-#warning("Use the built-in LITTLEFS library")
+//#warning("Use the built-in LITTLEFS library")
 #endif
 #else
 //#warning("LITTLEFS: no esp_arduino_version.h file, likely 1.0.x")