[cmake] Remove install prefix on cmake command of CollisionAlgorithm build

Author: th-skam

.github/workflows/ci.yml

@@ -39,7 +39,6 @@ jobs:
                   -GNinja \
                   -DCMAKE_PREFIX_PATH="$SOFA_ROOT/lib/cmake" \
                   -DCMAKE_BUILD_TYPE=Release \
-                  -DCMAKE_INSTALL_PREFIX="$GITHUB_WORKSPACE/install/CollisionAlgorithm" \
                   .. \
               && ninja"
           else
@@ -48,7 +47,6 @@ jobs:
               -GNinja \
               -DCMAKE_PREFIX_PATH=$SOFA_ROOT/lib/cmake \
               -DCMAKE_BUILD_TYPE=Release \
-              -DCMAKE_INSTALL_PREFIX=$GITHUB_WORKSPACE/install/CollisionAlgorithm \
               ..
             ninja
           fi