Remove custom target; enable docs.rs features by default

Author: jyn514

collector/benchmarks/stm32h7xx-hal/.cargo/config

@@ -20,8 +20,6 @@ readme = "README.md"
 exclude = [".gitignore"]
 
 [package.metadata.docs.rs]
-features = ["stm32h743v", "rt", "quadspi", "sdmmc", "fmc", "rtc", "ethernet"]
-targets = ["thumbv7em-none-eabihf"]
 
 [dependencies]
 embedded-hal = "0.2.4"
@@ -69,7 +67,7 @@ default-features = false
 features = ["ethernet", "proto-ipv4", "proto-ipv6", "socket-raw"]
 
 [features]
-default = ["unproven"]
+features = ["stm32h743v", "rt", "quadspi", "sdmmc", "fmc", "rtc", "ethernet"]
 unproven = ["embedded-hal/unproven"]
 device-selected = []
 revision_v = []