Remove Nano S target #1312

Job	Run time
Compile the UX-less version of the app on Nano S+ for performance tests	1m 22s
Compilation for X, S+, Stax and Flex (nanox, $NANOX_SDK)	1m 44s
Compilation for X, S+, Stax and Flex (nanosp, $NANOSP_SDK)	1m 36s
Compilation for X, S+, Stax and Flex (stax, $STAX_SDK)	1m 51s
Compilation for X, S+, Stax and Flex (flex, $FLEX_SDK)	2m 0s
Performance report	4m 15s
Tests with the Python library and legacy Bitcoin app	34s
Tests on mainnet (nanox)	25s
Tests with the JS library	1m 53s
Tests for rust client library	1m 30s
Tests on mainnet (nanosp)	27s
Tests on mainnet (stax)	27s
Unit test	1m 58s
Tests on mainnet (flex)	5m 28s
	25m 30s

Provide feedback