去除多余依赖

.github/workflows/ccpp.yml

@@ -14,7 +14,7 @@ jobs:
       run: git submodule update --init
 
     - name: apt-get安装依赖库(非必选)
-      run: sudo apt-get update && sudo apt-get install -y cmake  libssl-dev libmp4v2-dev libsdl-dev libavcodec-dev libavutil-dev
+      run: sudo apt-get update && sudo apt-get install -y cmake  libssl-dev libsdl-dev libavcodec-dev libavutil-dev
 
     - name: 编译
       run: mkdir -p linux_build && cd linux_build && cmake .. && make -j4

build_for_linux.sh

@@ -6,10 +6,7 @@ git submodule init
 git submodule update
 
 sudo apt-get install cmake
-sudo apt-get install libmysqlclient-dev
 sudo apt-get install libssl-dev
-sudo apt-get install libx264-dev
-sudo apt-get install libfaac-dev
 #sudo apt-get install libsdl-dev
 #sudo apt-get install libavcodec-dev
 #sudo apt-get install libavutil-dev

build_for_mac.sh

@@ -6,10 +6,7 @@ git submodule init
 git submodule update
 
 brew install cmake
-brew install mysql
 brew install openssl
-brew install x264
-brew install faac
 brew install sdl
 brew install ffmpeg