Fix Makefile, remove martos library linking #374

Job	Run time
clippy	17s
fmt	7s
build	26s
mips64-rust-example-dynamic-memory	1m 19s
mips64-rust-example-timer	1m 13s
mips64-rust-example-hello-world	1m 18s
mips64-static-library	1m 20s
risc-v-esp32c6-rust-example-dynamic-memory	1m 41s
risc-v-esp32c6-rust-example-hello-world	1m 44s
risc-v-esp32c6-rust-example-timer	1m 42s
risc-v-esp32c6-rust-example-wifi	1m 45s
risc-v-esp32c6-static-library	1m 51s
xtensa-esp32-rust-example-dynamic-memory	1m 40s
test	9s
xtensa-esp32-rust-example-hello-world	1m 37s
xtensa-esp32-rust-example-timer	1m 35s
xtensa-esp32-rust-example-wifi	1m 54s
xtensa-esp32-static-library	1m 45s
xtensa-esp32-c-example	50s
	24m 13s

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