dev-haskell/regex-tdfa-rc: drop masked package

Closes: https://bugs.gentoo.org/736244
Signed-off-by: Sergei Trofimovich <slyfox@gentoo.org>

dev-haskell/regex-tdfa-rc/Manifest

@@ -1 +0,0 @@
-DIST regex-tdfa-rc-1.1.8.3.tar.gz 65728 BLAKE2B 19d0147fbea30d2ffe595fb0e2108662b87f30d4d8321d362f5e043bc5b194efcc4a7ed6732b2f84b218fe945be1b841e363ae43c5f3d4e84301e4f9416a980a SHA512 2664e70029548704a2086759a3f05fa34cca1034493451175ee2264d91e9fcd10605c115c51d0bbab77143eb43a62ea6677fda1716d6f500e2ae881d5e9afc02

dev-haskell/regex-tdfa-rc/metadata.xml

@@ -1,7 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
-<pkgmetadata>
-	<maintainer type="project">
-		<email>haskell@gentoo.org</email>
-	</maintainer>
-</pkgmetadata>

dev-haskell/regex-tdfa-rc/regex-tdfa-rc-1.1.8.3.ebuild

@@ -1,27 +0,0 @@
-# Copyright 1999-2020 Gentoo Authors
-# Distributed under the terms of the GNU General Public License v2
-
-EAPI=5
-
-# ebuild generated by hackport 0.4.2.9999
-
-CABAL_FEATURES="lib profile haddock hoogle hscolour"
-inherit haskell-cabal
-
-DESCRIPTION="Replaces/Enhances Text.Regex (fork by Roman Cheplyaka)"
-HOMEPAGE="https://hackage.haskell.org/package/regex-tdfa-rc"
-SRC_URI="https://hackage.haskell.org/package/${P}/${P}.tar.gz"
-
-LICENSE="BSD"
-SLOT="0/${PV}"
-KEYWORDS="~amd64 ~x86"
-IUSE=""
-
-RDEPEND="dev-haskell/mtl:=[profile?]
-	dev-haskell/parsec:=[profile?]
-	>=dev-haskell/regex-base-0.93.1:=[profile?]
-	>=dev-lang/ghc-7.4.1:=
-"
-DEPEND="${RDEPEND}
-	>=dev-haskell/cabal-1.2.3
-"

profiles/package.mask

@@ -646,13 +646,6 @@ www-apps/trac
 # Removal in 30 days.  Bug #646748.
 games-action/openclonk
 
-# Sergei Trofimovich <slyfox@gentoo.org> (2020-08-21)
-# Obsolete package without reverse dependencies.
-# Use dev-haskell/regex-tdfa.
-# Does not compile against ghc-8.8. Removal in 30 days.
-# Bug #736244.
-dev-haskell/regex-tdfa-rc
-
 # Kent Fredric <kentnl@gentoo.org> (2020-08-17)
 # No reverse dependencies, and gtk2 support is becoming
 # obsolete in Gentoo