Auto merge of #3362 - JohnTitor:goodbye-armv7-ios, r=JohnTitor

Drop `armv7-apple-ios` target support

... as rust-lang/rust#104385 removed the target.

Author: bors

ci/build.sh

@@ -286,7 +286,6 @@ if [ "${RUST}" = "nightly" ] && [ "${OS}" = "linux" ]; then
 fi
 
 RUST_APPLE_NO_CORE_TARGETS="\
-armv7-apple-ios \
 armv7s-apple-ios \
 i686-apple-darwin \
 i386-apple-ios \