dev-cpp/*: bump facebook libraries

Signed-off-by: Alessandro Barbieri <lssndrbarbieri@gmail.com>

dev-cpp/folly/Manifest

@@ -1,2 +1 @@
-DIST folly-2021.06.14.00.tar.gz 3392776 BLAKE2B bc0cb6afe3575c69be3094ad6c600fff997974ec70c153aaf632480bf949b91327acd71637b4df40f777ecf11cbddbc89adf4d6553ea5c5f351a08229aa3bf88 SHA512 aee5adc1a44d9b193f3f41b5fc9fa7575c677d8bf27ed3a3b612a2fbe53505f82481ce78f13fb41ae3ca81ca25446426fbdfdc578f503f919b4af5abe56ad71c
-DIST folly-2021.06.28.00.tar.gz 3425546 BLAKE2B 1ed12c244c4f718bd3718591e9326c2892720ae60d46e338eb196fd64b0dfe32f8fee9afa908eeedfcb1d053c32088db1bb55d3e2a7bf8551ba07d4cd90af25c SHA512 1e915aece4097b70548393b4ede49e565505c930f3af9be3525ca17ed6b18efb75638f4965fe136d9b7ac596b43a936b9db5880dbd8cba2461c1348a5dba1df4
+DIST folly-2021.08.02.00.tar.gz 3469070 BLAKE2B f670746690c3531e573fb01293361808f943de7324bfd4862a10ea9764a41197094e522668e580946244279fa096f7173958cccc57b4f610c7c08ccbf3ec702d SHA512 dbe005f31eeb60e85ef949432de09d7c49a52b19f195c06ef265189a13ad98cbd4b902b59f303c140b7aedc5ff8a604cc9bda9d1d374290561124a729c07149d

dev-cpp/folly/folly-2021.06.28.00.ebuild

@@ -1,37 +0,0 @@
-# Copyright 1999-2021 Gentoo Authors
-# Distributed under the terms of the GNU General Public License v2
-
-EAPI=7
-
-inherit cmake
-
-DESCRIPTION="An open-source C++ library developed and used at Facebook"
-HOMEPAGE="https://github.com/facebook/folly"
-SRC_URI="https://github.com/facebook/folly/archive/v${PV}.tar.gz -> ${P}.tar.gz"
-
-LICENSE="Apache-2.0"
-SLOT="0"
-KEYWORDS="~amd64 ~arm64 ~x86"
-
-DEPEND="
-	app-arch/lz4
-	<app-arch/snappy-1.1.9
-	app-arch/zstd
-	dev-cpp/gflags
-	dev-cpp/glog[gflags]
-	dev-libs/boost[context,threads]
-	dev-libs/double-conversion
-	dev-libs/libevent
-	dev-libs/libfmt
-	sys-libs/binutils-libs
-	sys-libs/zlib
-"
-RDEPEND="${DEPEND}"
-
-src_prepare() {
-	cmake_src_prepare
-	sed \
-		-e "s/lib CACHE/$(get_libdir) CACHE/" \
-		-e "s/lib\/cmake\/folly CACHE/$(get_libdir)\/cmake\/folly CACHE/" \
-		-i CMakeLists.txt || die
-}