Managers: cleanup includes and add an assert.

src/Managers/ProfileManager.cpp

@@ -14,10 +14,7 @@
 // You should have received a copy of the GNU General Public License
 // along with this program.  If not, see <https://www.gnu.org/licenses/>.
 
-#include <cstdio>
-
 #include <algorithm>
-#include <chrono>
 
 #include <Corrade/Containers/ScopeGuard.h>
 #include <Corrade/Containers/StaticArray.h>
@@ -25,8 +22,6 @@
 #include <Corrade/Utility/Path.h>
 #include <Corrade/Utility/String.h>
 
-#include <zip.h>
-
 #include "../Configuration/Configuration.h"
 #include "../Logger/Logger.h"
 
@@ -103,6 +98,8 @@ ProfileManager::getProfile(std::size_t index) {
 
 bool
 ProfileManager::deleteProfile(std::size_t index, bool delete_builds) {
+    CORRADE_INTERNAL_ASSERT(index < _profiles.size());
+
     if(!Utility::Path::remove(Utility::Path::join(conf().directories().gameSaves, _profiles[index].filename()))) {
         _lastError = Utility::format("Couldn't delete {} (filename: {}).",
                                      _profiles[index].companyName(),