don't enable bullet by default

.gitlab-ci.yml

@@ -27,7 +27,7 @@ variables:
   image: git.fossgalaxy.com:8042/gamedev/containers/fedora:36-opengl
   before_script:
     - dnf install -y pkgconfig\(dri\) pkgconfig\(glu\) pkgconfig\(x11\) pkgconfig\(xcursor\) pkgconfig\(xi\) pkgconfig\(xinerama\) pkgconfig\(xrandr\) pkgconfig\(lua\) doxygen
-    - dnf install -y glm-devel glfw-devel openal-soft-devel spdlog-devel freetype-devel yaml-cpp-devel assimp-devel bullet-devel gtest-devel gmock-devel
+    - dnf install -y glm-devel glfw-devel openal-soft-devel spdlog-devel freetype-devel yaml-cpp-devel assimp-devel gtest-devel gmock-devel
 
 ##
 # Build Targets check it builds on popular Linux Distributions
@@ -47,7 +47,7 @@ build:ubuntu:
   stage: build
   before_script:
     - apt update && apt install -y build-essential cmake
-    - apt install -y libglm-dev libglfw3-dev libopenal-dev libspdlog-dev libfreetype-dev libyaml-cpp-dev libassimp-dev libbullet-dev libbullet-extras-dev libgtest-dev libgmock-dev liblua-dev
+    - apt install -y libglm-dev libglfw3-dev libopenal-dev libspdlog-dev libfreetype-dev libyaml-cpp-dev libassimp-dev libbullet-extras-dev libgtest-dev libgmock-dev liblua-dev
   script:
     - cmake -S . -B build -DCMAKE_BUILD_TYPE=Debug
     - cmake --build build