[Coverity] Fix Coverity issue at neuralnet destructor

[Coverity] Fix Coverity issue at neuralnet destructor

Uncaught exception (UNCAUGHT_EXCEPT)

exn_spec_violation: An exception of type std::length_error is thrown but the exception specification /*implicit*/noexcept doesn't allow it to be thrown. This will result in a call to terminate().
- in general, throw exception at destrctor is not allowed
- so, add exception at deallocate Tensor

Resolves:

**Self evaluation:**
1. Build test:	 [X]Passed [ ]Failed [ ]Skipped
2. Run test:	 [X]Passed [ ]Failed [ ]Skipped

Signed-off-by: Donghak PARK <donghak.park@samsung.com>