OPNSense/plugins f500733devel/helloworld/src/opnsense/service/templates/OPNsense/HelloWorld +MANIFEST, net/ftp-proxy/src/opnsense/service/templates/OPNsense/FtpProxy +MANIFEST

remove unneeded +MANIFEST files

PR: https://github.com/opnsense/core/issues/1236
DeltaFile
+0-8devel/helloworld/src/opnsense/service/templates/OPNsense/HelloWorld/+MANIFEST
+0-8net/haproxy/src/opnsense/service/templates/OPNsense/HAProxy/+MANIFEST
+0-6net/ftp-proxy/src/opnsense/service/templates/OPNsense/FtpProxy/+MANIFEST
+0-223 files

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