remove soon-to-be-masked BDB versions from dependencies

dev-libs/Ice/Ice-3.6.5-r2.ebuild

@@ -1,4 +1,4 @@
-# Copyright 1999-2020 Gentoo Authors
+# Copyright 1999-2021 Gentoo Authors
 # Distributed under the terms of the GNU General Public License v2
 
 EAPI=7
@@ -17,7 +17,7 @@ PHP_EXT_OPTIONAL_USE=php
 USE_PHP="php7-4"
 
 # This variable does not belong to any eclass. It is solely used in this ebuild
-BERKDB_SLOTS=( 6.2 6.1 5.3 5.1 4.8 )
+BERKDB_SLOTS=( 6.2 6.1 5.3 4.8 )
 
 inherit db-use mono-env php-ext-source-r3 python-r1 ruby-ng toolchain-funcs
 

dev-libs/Ice/Ice-3.6.9999.ebuild

@@ -21,7 +21,7 @@ EGIT_CHECKOUT_DIR="${WORKDIR}/${PN}"
 EGIT_BRANCH="3.6"
 
 # This variable does not belong to any eclass. It is solely used in this ebuild
-BERKDB_SLOTS=( 6.2 6.1 5.3 5.1 4.8 )
+BERKDB_SLOTS=( 6.2 6.1 5.3 4.8 )
 
 inherit db-use mono-env php-ext-source-r3 python-r1 ruby-ng toolchain-funcs git-r3
 

net-nds/389-ds-base/389-ds-base-1.4.4.13.ebuild

@@ -112,7 +112,7 @@ RESTRICT="test"
 # always list newer first
 # Do not add any AGPL-3 BDB here!
 # See bug 525110, comment 15.
-BERKDB_SLOTS=( 5.3 5.1 4.8 4.7 )
+BERKDB_SLOTS=( 5.3 4.8 )
 
 DEPEND="
 	>=app-crypt/mit-krb5-1.7-r100[openldap]