Revert "[rust] Add new dependencies to opentitanlib" #4090

Job	Run time
Lint (quick)	3m 17s
Airgapped build	12m 48s
Build documentation	5m 32s
Run OTBN smoke Test	2m 59s
Run OTBN crypto tests	3m 16s
Lint (slow)	12m 22s
CW305's Bitstream	21m 36s
Verilated Earl Grey	59m 57s
Verible lint	0s
Verilated English Breakfast	8m 7s
Build Docker Containers	2m 37s
Build and test software	13m 27s
Earl Grey for CW310 / Build bitstream	2m 19s
Earl Grey for CW310 Hyperdebug / Build bitstream	2m 14s
Earl Grey for CW340 / Build bitstream	2m 24s
CW310 ROM_EXT Tests / FPGA test	16m 7s
CW310 SiVal Tests / FPGA test	34m 56s
CW310 Manufacturing Tests / FPGA test	35m 31s
CW310 SiVal ROM_EXT Tests / FPGA test	38m 16s
CW310 ROM Tests / FPGA test	30m 20s
CW310 ROM_EXT Tests / FPGA test	7m 9s
CW310 Test ROM Tests / FPGA test	6m 48s
Cache bitstreams to GCP	3m 33s
CW340 ROM Tests / FPGA test	1m 6s
CW340 ROM_EXT Tests / FPGA test	1m 22s
CW340 SiVal Tests / FPGA test	5m 0s
CW340 SiVal ROM_EXT Tests / FPGA test	2m 19s
CW340 Manufacturing Tests / FPGA test	44m 28s
CW340 Test ROM Tests / FPGA test	1m 21s
Verify FPGA jobs	26s
	6h 21m 37s

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