Remove deprecated "glassfish" manifest

See https://github.com/docker-library/docs/pull/679 for more details.

library/glassfish

@@ -1,8 +0,0 @@
-# maintainer: Amazon Web Services <https://aws.amazon.com/contact-us/> (@aws)
-
-4.0-jdk7: git://github.com/aws/aws-eb-glassfish@aafcfc5e812dfb9b998105d3ca9da1b7f10664e1 4.0-jdk7
-4.0: git://github.com/aws/aws-eb-glassfish@aafcfc5e812dfb9b998105d3ca9da1b7f10664e1 4.0-jdk7
-
-4.1-jdk8: git://github.com/aws/aws-eb-glassfish@aafcfc5e812dfb9b998105d3ca9da1b7f10664e1 4.1-jdk8
-4.1: git://github.com/aws/aws-eb-glassfish@aafcfc5e812dfb9b998105d3ca9da1b7f10664e1 4.1-jdk8
-latest: git://github.com/aws/aws-eb-glassfish@aafcfc5e812dfb9b998105d3ca9da1b7f10664e1 4.1-jdk8