[cmake] Move Qt externals handling to root CMakeLists.txt, and move QuaZip to upstream (#3447)

QuaZip lets you disable QTextCodec now so we can use it.

Signed-off-by: crueter <crueter@eden-emu.dev>
Reviewed-on: https://git.eden-emu.dev/eden-emu/eden/pulls/3447
Reviewed-by: DraVee <dravee@eden-emu.dev>
Reviewed-by: Lizzie <lizzie@eden-emu.dev>

src/qt_common/CMakeLists.txt

@@ -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
 
 add_library(qt_common STATIC
@@ -78,8 +78,6 @@ target_compile_definitions(qt_common PUBLIC
     QT_NO_URL_CAST_FROM_STRING
 )
 
-add_subdirectory(externals)
-
 # pass targets
 find_package(frozen)
 

src/qt_common/externals/CMakeLists.txt

@@ -1,19 +0,0 @@
-# SPDX-FileCopyrightText: Copyright 2025 Eden Emulator Project
-# SPDX-License-Identifier: GPL-3.0-or-later
-
-include(CPMUtil)
-
-# Disable tests/tools in all externals supporting the standard option name
-set(BUILD_TESTING OFF)
-
-# Build only static externals
-set(BUILD_SHARED_LIBS OFF)
-
-# Skip install rules for all externals
-set_directory_properties(PROPERTIES EXCLUDE_FROM_ALL ON)
-
-# QuaZip
-AddJsonPackage(quazip)
-
-# frozen
-AddJsonPackage(frozen)

src/qt_common/externals/cpmfile.json

@@ -1,18 +0,0 @@
-{
-    "quazip": {
-        "package": "QuaZip-Qt6",
-        "repo": "crueter/quazip-qt6",
-        "sha": "f838774d63",
-        "hash": "e8f950f47c1f358e2666f08517a9b5b06980677540d3836384e2c27ff5bb129b218f1502b03fdb207d7fd4cd56893f0a0d9094ba8309f19a49cb11e3bb911594",
-        "version": "1.3",
-        "options": [
-            "QUAZIP_INSTALL OFF"
-        ]
-    },
-    "frozen": {
-        "package": "frozen",
-        "repo": "serge-sans-paille/frozen",
-        "sha": "61dce5ae18",
-        "hash": "b8dfe741c82bc178dfc9749d4ab5a130cee718d9ee7b71d9b547cf5f7f23027ed0152ad250012a8546399fcc1e12187efc68d89d6731256c4d2df7d04eef8d5c"
-    }
-}