revert aarch64 changes (#21)

* revert aarch64

* fmt

Author: narph

.ci/Jenkinsfile

@@ -159,7 +159,7 @@ def withPackageLinuxEnv(Closure body) {
   def PLATFORMS = [ '+all',
                     'linux/amd64',
                     'linux/386',
-                    //'linux/arm64',
+                    'linux/arm64',
                     // armv7 packaging isn't working, and we don't currently
                     // need it for release. Do not re-enable it without
                     // confirming it is fixed, you will break the packaging

magefile.go

@@ -388,7 +388,7 @@ func Package() {
 	}{
 		{"darwin/amd64", "darwin-x86_64.tar.gz"},
 		{"linux/amd64", "linux-x86_64.tar.gz"},
-		{"linux/arm64", "linux-aarch64.tar.gz"},
+		{"linux/arm64", "linux-arm64.tar.gz"},
 		{"windows/amd64", "windows-x86_64.zip"},
 	}