main/postfix: upgrade to 3.5.9

remove postfix-musl-2.patch, applied upstream
7 jobs for !16986 with 3.12-stable-postfix-3.5.9 in 31 seconds
detached
Status Job ID Name Coverage
  Lint
passed #296855
docker-alpine x86_64
lint

00:00:18

 
  Build
failed #296860
docker-alpine ci-build aarch64
build-aarch64

00:00:08

failed #296861
docker-alpine ci-build armv7
build-armv7

00:00:10

failed #296859
docker-alpine ci-build ppc64le
build-ppc64le

00:00:08

failed #296858
docker-alpine ci-build s390x
build-s390x

00:00:08

failed #296857
docker-alpine ci-build x86
build-x86

00:00:02

failed #296856
docker-alpine ci-build x86_64
build-x86_64

00:00:03

 
Name Stage Failure
failed
build-x86_64 Build
No job log
failed
build-x86 Build
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build-s390x Build
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failed
build-ppc64le Build
No job log
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build-armv7 Build
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failed
build-aarch64 Build
No job log