[esp32] Remove framework migration notice (#17023)

esphome/components/esp32/__init__.py

@@ -1589,65 +1589,12 @@ FRAMEWORK_SCHEMA = cv.Schema(
 )
 
 
-# Remove this class in 2026.7.0
-class _FrameworkMigrationWarning:
-    shown = False
-
-
-def _show_framework_migration_message(name: str, variant: str) -> None:
-    """Show a message about the framework default change and how to switch back to Arduino."""
-    # Remove this function in 2026.7.0
-    if _FrameworkMigrationWarning.shown:
-        return
-    _FrameworkMigrationWarning.shown = True
-
-    from esphome.log import AnsiFore, color
-
-    message = (
-        color(
-            AnsiFore.BOLD_CYAN,
-            f"💡 NOTICE: {name} does not have a framework specified.",
-        )
-        + "\n\n"
-        + f"Starting with ESPHome 2026.1.0, the default framework for {variant} is ESP-IDF.\n"
-        + "(We've been warning about this change since ESPHome 2025.8.0)\n"
-        + "\n"
-        + "Why we made this change:\n"
-        + color(AnsiFore.GREEN, "  ✨ Smaller firmware binaries\n")
-        + color(AnsiFore.GREEN, "  ⚡ Faster compile times\n")
-        + color(AnsiFore.GREEN, "  🚀 Better performance and newer features\n")
-        + color(AnsiFore.GREEN, "  🔧 More actively maintained by ESPHome\n")
-        + "\n"
-        + "To continue using Arduino, add this to your YAML under 'esp32:':\n"
-        + color(AnsiFore.WHITE, "    framework:\n")
-        + color(AnsiFore.WHITE, "      type: arduino\n")
-        + "\n"
-        + "To silence this message with ESP-IDF, explicitly set:\n"
-        + color(AnsiFore.WHITE, "    framework:\n")
-        + color(AnsiFore.WHITE, "      type: esp-idf\n")
-        + "\n"
-        + "Migration guide: "
-        + color(
-            AnsiFore.BLUE,
-            "https://esphome.io/guides/esp32_arduino_to_idf/",
-        )
-    )
-    _LOGGER.warning(message)
-
-
 def _set_default_framework(config):
     config = config.copy()
     if CONF_FRAMEWORK not in config:
         config[CONF_FRAMEWORK] = FRAMEWORK_SCHEMA({})
     if CONF_TYPE not in config[CONF_FRAMEWORK]:
-        variant = config[CONF_VARIANT]
         config[CONF_FRAMEWORK][CONF_TYPE] = FRAMEWORK_ESP_IDF
-        # Show migration message for variants that previously defaulted to Arduino
-        # Remove this message in 2026.7.0
-        if variant in ARDUINO_ALLOWED_VARIANTS:
-            _show_framework_migration_message(
-                config.get(CONF_NAME, "This device"), variant
-            )
 
     return config