[externals] Update CI packages to new format (#4341)

Qt hasn't been updated to the new format yet, will do so later.

Signed-off-by: crueter <crueter@eden-emu.dev>

- [x] I have read and followed the [Contribution Guidelines](https://git.eden-emu.dev/eden-emu/eden/src/branch/master/CONTRIBUTING.md#code-contributions).
- [x] I have read and followed the [AI Policy](https://git.eden-emu.dev/eden-emu/eden/src/branch/master/docs/policies/AI.md)
- [x] I have read and followed the [Coding Guidelines](https://git.eden-emu.dev/eden-emu/eden/src/branch/master/docs/policies/Coding.md) to the best of my ability.

-------------------

Reviewed-on: https://git.eden-emu.dev/eden-emu/eden/pulls/4341
Reviewed-by: CamilleLaVey <camillelavey99@gmail.com>
Reviewed-by: Lizzie and Samuel <lizzie@eden-emu.dev>

externals/CMakeLists.txt

@@ -161,9 +161,6 @@ if (NOT ANDROID)
         AddJsonPackage(sdl3)
     else()
         message(STATUS "Using bundled SDL3")
-        if (FREEBSD)
-            set(BUILD_SHARED_LIBS ON)
-        endif()
         AddJsonPackage(sdl3-ci)
     endif()
 

externals/ffmpeg/CMakeLists.txt

@@ -4,8 +4,6 @@
 # SPDX-FileCopyrightText: 2021 yuzu Emulator Project
 # SPDX-License-Identifier: GPL-2.0-or-later
 
-# TODO(crueter, MaranBr): Externals FFmpeg 8.0
-
 set(FFmpeg_HWACCEL_LIBRARIES)
 set(FFmpeg_HWACCEL_FLAGS)
 set(FFmpeg_HWACCEL_INCLUDE_DIRS)