[frontend] Remove 19.0.1+ warnings (#3463)

Signed-off-by: Caio Oliveira <caiooliveirafarias0@gmail.com>
Reviewed-on: https://git.eden-emu.dev/eden-emu/eden/pulls/3463
Reviewed-by: Maufeat <sahyno1996@gmail.com>
Reviewed-by: crueter <crueter@eden-emu.dev>
Co-authored-by: Caio Oliveira <caiooliveirafarias0@gmail.com>
Co-committed-by: Caio Oliveira <caiooliveirafarias0@gmail.com>

src/android/app/src/main/res/values/strings.xml

@@ -381,9 +381,9 @@
     <string name="qlaunch_description">Launch applications from the system home screen</string>
     <string name="applets">Applet launcher</string>
     <string name="applets_description">Launch system applets using installed firmware</string>
-    <string name="applets_error_firmware">Firmware not installed or invalid version</string>
+    <string name="applets_error_firmware">Firmware not installed</string>
     <string name="applets_error_applet">Applet not available</string>
-    <string name="applets_error_description"><![CDATA[Please ensure your <a href=\"https://yuzu-mirror.github.io/help/quickstart/#dumping-prodkeys-and-titlekeys\">prod.keys</a> file and <a href=\"https://yuzu-mirror.github.io/help/quickstart/#dumping-system-firmware\">firmware</a> are installed and try again.<br>Additionally, ensure your firmware is of version 19.0.1 or older.]]></string>
+    <string name="applets_error_description"><![CDATA[Please ensure your <a href=\"https://yuzu-mirror.github.io/help/quickstart/#dumping-prodkeys-and-titlekeys\">prod.keys</a> file and <a href=\"https://yuzu-mirror.github.io/help/quickstart/#dumping-system-firmware\">firmware</a> are installed and try again.]]></string>
     <string name="album_applet">Album</string>
     <string name="album_applet_description">See images stored in the user screenshots folder with the system photo viewer</string>
     <string name="mii_edit_applet">Mii edit</string>

src/qt_common/qt_string_lookup.h

@@ -1,4 +1,4 @@
-// SPDX-FileCopyrightText: Copyright 2025 Eden Emulator Project
+// SPDX-FileCopyrightText: Copyright 2026 Eden Emulator Project
 // SPDX-License-Identifier: GPL-3.0-or-later
 
 #pragma once
@@ -98,8 +98,7 @@ static const constexpr frozen::map<StringKey, frozen::string, 29> strings = {
 
     {FwCheckErrorFirmwareMissing,
      QT_TR_NOOP(
-         "Firmware missing. Firmware is required to run certain games and use the Home Menu. "
-         "Versions 19.0.1 or earlier are recommended, as 20.0.0+ is currently experimental.")},
+         "Firmware missing. Firmware is required to run certain games and use the Home Menu.")},
     {FwCheckErrorFirmwareCorrupted,
      QT_TR_NOOP(
          "Firmware reported as present, but was unable to be read. Check for decryption keys and "