public String readUtf8String(long index, int length) throws IOException {
		return readString(index, length, StandardCharsets.UTF_8, 1);
	}
Reads a fixed length UTF-8 string of <code>length</code> bytes
starting at <code>index</code>.
<p>
Trailing null terminator characters will be removed.  (suitable for reading
a string from a fixed length field that is padded with trailing null chars)

@param index the index where the UTF-8 string begins
@param length the number of bytes to read
@return the string
@exception IOException if an I/O error occurs
Ghidra/Features/Base/src/main/java/ghidra/app/util/bin/BinaryReader.java