firmware: remove cargo profiles.

These are specified per-workspace, and anyhow are mostly overridden
by our Makefile, so specify everything in it.

artiq/firmware/libksupport/Cargo.toml

@@ -12,7 +12,3 @@ crate-type = ["staticlib"]
 std_artiq = { path = "../libstd_artiq" }
 bsp = { path = "../libbsp" }
 byteorder = { version = "0.5", default-features = false }
-
-[profile.dev]
-panic = 'unwind'
-opt-level = 2

artiq/firmware/runtime/Cargo.toml

@@ -20,7 +20,3 @@ fringe = { version = "= 1.1.0", default-features = false, features = ["alloc"] }
 log = { version = "0.3", default-features = false }
 log_buffer = { version = "1.0" }
 byteorder = { version = "0.5", default-features = false }
-
-[profile.dev]
-panic = 'abort'
-opt-level = 2

artiq/runtime/Makefile

@@ -38,7 +38,7 @@ $(RUSTOUT_DIRECTORY)/libruntime.a: ksupport.elf
 			--manifest-path $(realpath $(RUNTIME_DIRECTORY)/../firmware/runtime/Cargo.toml) \
 			--target=or1k-unknown-none -- \
 			$(shell cat $(BUILDINC_DIRECTORY)/generated/rust-cfg) \
-			-C target-feature=+mul,+div,+ffl1,+cmov,+addc -C opt-level=s \
+			-C target-feature=+mul,+div,+ffl1,+cmov,+addc -C opt-level=s -Cpanic=abort \
 			-L../libcompiler-rt
 
 runtime.elf: $(OBJECTS) $(RUSTOUT_DIRECTORY)/libruntime.a
@@ -57,7 +57,7 @@ $(RUSTOUT_DIRECTORY)/libksupport.a:
 			--target=or1k-unknown-none -- \
 			$(shell cat $(BUILDINC_DIRECTORY)/generated/rust-cfg) \
 			--cfg ksupport \
-			-C target-feature=+mul,+div,+ffl1,+cmov,+addc -C opt-level=s \
+			-C target-feature=+mul,+div,+ffl1,+cmov,+addc -C opt-level=s -Cpanic=unwind \
 			-L../libcompiler-rt
 
 ksupport.elf: $(OBJECTS_KSUPPORT) $(RUSTOUT_DIRECTORY)/libksupport.a