Revert "[dev-java/javassist] resteasy doesn't need it anymore, which i initially added it for"

slf4j-ext uses it so i guess having the "latest" version is nice

This reverts commit 02c81c3b3118ed0c71e6a375271a1c0c44a02423.

dev-java/javassist/Manifest

@@ -0,0 +1 @@
+DIST javassist-3.21.0.tar.gz 1208816 BLAKE2B 38d576e15927925d651de6be19d219da4fbddd0f027e0360ee8caf69c1112afd792d7909e2827b4998054d6050db9a433276b055c99d061bb2c4bdcd298843e2 SHA512 5dd855be18629306348f5a3a2d738880e6b79ac7a570ff16ddd22a5b3d23581fea1bf54b099d88c543b7045e9ff69d1e5e8fc6a323faa3dc1aa2076b164e5323

dev-java/javassist/javassist-3.21.0.ebuild

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+# Copyright 1999-2019 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=6
+
+JAVA_PKG_IUSE="doc source examples"
+
+inherit java-pkg-2 java-ant-2
+
+DESCRIPTION="Javassist makes Java bytecode manipulation simple"
+HOMEPAGE="https://www.javassist.org"
+SRC_URI="https://github.com/jboss-javassist/javassist/archive/rel_${PV//./_}_ga.tar.gz -> ${P}.tar.gz"
+
+LICENSE="MPL-1.1"
+SLOT="3"
+KEYWORDS="~amd64 ~arm64 ~ppc64 ~x86 ~amd64-linux ~x86-linux ~x86-macos"
+IUSE=""
+
+RDEPEND=">=virtual/jre-1.8"
+DEPEND=">=virtual/jdk-1.8
+	app-arch/unzip"
+
+S="${WORKDIR}/${PN}-rel_${PV//./_}_ga"
+
+HTML_DOCS=( Readme.html )
+
+EANT_DOC_TARGET="javadocs"
+JAVA_ANT_REWRITE_CLASSPATH=y
+EANT_NEEDS_TOOLS="yes"
+
+src_prepare() {
+	default
+	find -name "*.jar" -delete || die
+}
+
+src_install() {
+	java-pkg_dojar ${PN}.jar
+
+	if use doc; then
+		einstalldocs
+		java-pkg_dojavadoc html
+	fi
+
+	use source && java-pkg_dosrc src/main/javassist
+	use examples && java-pkg_doexamples sample/*
+}

dev-java/javassist/metadata.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<pkgmetadata>
+	<maintainer type="project">
+		<email>java@gentoo.org</email>
+		<name>Java</name>
+	</maintainer>
+	<upstream>
+		<remote-id type="sourceforge">jboss</remote-id>
+		<remote-id type="github">jboss-javassist/javassist</remote-id>
+	</upstream>
+</pkgmetadata>