Reverts: [QA] 8b443b6 (dev-db/postgis: Add blocker for dev-cpp/abseil-cpp)

* Hard blockers are terrible UX and are a sin unto our users.
* This is a lazy fix instead of porting the package to a more recent
  version of C++.

Bug: https://bugs.gentoo.org/905378
Signed-off-by: David Seifert <soap@gentoo.org>

dev-db/postgis/postgis-3.1.3.ebuild

@@ -1,4 +1,4 @@
-# Copyright 1999-2023 Gentoo Authors
+# Copyright 1999-2021 Gentoo Authors
 # Distributed under the terms of the GNU General Public License v2
 
 EAPI=7
@@ -43,7 +43,6 @@ RDEPEND="${POSTGRES_DEP}
 	gtk? ( x11-libs/gtk+:2 )
 "
 DEPEND="${RDEPEND}
-	!!dev-cpp/abseil-cpp
 	virtual/pkgconfig
 	doc? (
 		app-text/docbook-xsl-stylesheets

dev-db/postgis/postgis-3.1.8-r1.ebuild

@@ -43,7 +43,6 @@ RDEPEND="${POSTGRES_DEP}
 	gtk? ( x11-libs/gtk+:2 )
 "
 DEPEND="${RDEPEND}
-	!!dev-cpp/abseil-cpp
 	virtual/pkgconfig
 	doc? (
 		app-text/docbook-xsl-stylesheets

dev-db/postgis/postgis-3.2.4-r1.ebuild

@@ -43,7 +43,6 @@ RDEPEND="${POSTGRES_DEP}
 	gtk? ( x11-libs/gtk+:2 )
 "
 DEPEND="${RDEPEND}
-	!!dev-cpp/abseil-cpp
 	virtual/pkgconfig
 	doc? (
 		app-text/docbook-xsl-stylesheets

dev-db/postgis/postgis-3.3.2-r1.ebuild

@@ -43,7 +43,6 @@ RDEPEND="${POSTGRES_DEP}
 	gtk? ( x11-libs/gtk+:2 )
 "
 DEPEND="${RDEPEND}
-	!!dev-cpp/abseil-cpp
 	virtual/pkgconfig
 	doc? (
 		app-text/docbook-xsl-stylesheets

dev-db/postgis/postgis-9999.ebuild

@@ -43,7 +43,6 @@ RDEPEND="${POSTGRES_DEP}
 	gtk? ( x11-libs/gtk+:2 )
 "
 DEPEND="${RDEPEND}
-	!!dev-cpp/abseil-cpp
 	virtual/pkgconfig
 	doc? (
 		app-text/docbook-xsl-stylesheets