First stab at removing legacy API

Makefile

@@ -214,7 +214,7 @@ gen-c:
 	$(call announce-begin,"Formatting C code")
 
 	cd $(SWIFTNAV_ROOT)/c; \
-	mkdir -p build/ && cd build/; \
+	mkdir -p build.format/ && cd build.format/; \
 	cmake $(CMAKEFLAGS) ../; \
 	$(MAKE) clang-format-all
 

c/BUILD.bazel

@@ -67,30 +67,6 @@ filegroup(
     visibility = ["//visibility:public"],
 )
 
-SBP_LEGACY_C_SOURCES = glob(["test/legacy/auto*.c"])
-
-swift_cc_test(
-    name = "sbp-legacy-test",
-    srcs = [
-        "test/check_main_legacy.c",
-        "test/check_edc.c",
-        "test/check_sbp.c",
-        "test/check_bitfield_macros.c",
-        "test/check_suites_legacy.h",
-    ] + SBP_LEGACY_C_SOURCES,
-    includes = [
-        "include/libsbp",
-    ],
-    copts = [
-      "-Wno-deprecated-declarations",
-    ],
-    type = UNIT,
-    deps = [
-        ":sbp",
-        "@check",
-    ],
-)
-
 SBP_C_SOURCES = glob(["test/auto*.c"])
 
 swift_cc_test(
@@ -140,22 +116,3 @@ swift_cc_test(
     ],
 )
 
-SBP_CPP_LEGACY_SOURCES = glob(["test/legacy/cpp/auto*.cc"])
-
-swift_cc_test(
-    name = "sbp-cpp-legacy-test",
-    srcs = [
-        "test/legacy/cpp/test_sbp_stdio.cc",
-    ] + SBP_CPP_LEGACY_SOURCES,
-    data = [
-        "test/legacy/cpp/sbp_data/gnss_data.sbp",
-    ],
-    copts = [
-      "-Wno-deprecated-declarations",
-    ],
-    type = UNIT,
-    deps = [
-        ":sbp",
-        "@googletest//:gtest_main",
-    ],
-)

c/examples/CMakeLists.txt

@@ -2,6 +2,5 @@ option(BUILD_EXAMPLES "" OFF)
 
 if(BUILD_EXAMPLES)
   add_custom_target(examples)
-  add_subdirectory(legacy)
   add_subdirectory(libsbp)
 endif()