common: Resolve C4267 warning on MSVC

Also removes Timer::GetDoubleTime() as it is unused.

src/common/alignment.h

@@ -10,7 +10,7 @@ namespace Common {
 template <typename T>
 [[nodiscard]] constexpr T AlignUp(T value, std::size_t size) {
     static_assert(std::is_unsigned_v<T>, "T must be an unsigned value.");
-    auto mod{value % size};
+    auto mod{static_cast<T>(value % size)};
     value -= mod;
     return static_cast<T>(mod == T{0} ? value : value + size);
 }