Refactor Unsigned32read() by access to object already containing the value

[pedro-javierf]

Describe the bug
Method Decompress() at ARM9.java does this:

public static byte[] Decompress(byte[] Data, int _start_ModuleParamsOffset)
	{
		if (IOUtil.ReadU32LE(Data, _start_ModuleParamsOffset + 0x14) == 0) 
			return Data;//Not Compressed!
		
		byte[] Result = CRT0.MIi_UncompressBackward(Data);
		IOUtil.WriteU32LE(Result, _start_ModuleParamsOffset + 0x14, 0); //sets 4 bytes to 0x0
		
		return Result;
	}

Instead of using ReadU32LE, we can access the corresponding field of the object ModuleParams (CRT0.java). I believe the field is public int CompressedStaticEnd; though I haven't properly checked it or if it is at ModuleParamsOffset + 0x14 but it is the only field that makes sense.