remove unnecessary install command

Author: LebJe

.github/workflows/buildAndTest-FreeBSD.yml

@@ -26,12 +26,10 @@ jobs:
                   pkg update
                   pkg install -y bash sudo
                   bash
-                  cd $GITHUB_WORKSPACE;
+                  cd $GITHUB_WORKSPACE
                   export COMPILER=${{ matrix.compiler }}
-                  ./scripts/compilerName.sh
-                  pkg update
-                  pkg install sudo -y
-                  sudo pkg install -y ${{ matrix.lua }} "$C_COMPILER_PACKAGE" "$CXX_COMPILER_PACKAGE"
+                  source ./scripts/compilerName.sh
+                  sudo pkg install -y ${{ matrix.lua }} $C_COMPILER_PACKAGE $CXX_COMPILER_PACKAGE
                   ./scripts/buildLuaRocks.sh
                   sudo luarocks
                   sudo luarocks install luaunit