dev-php/PHPMailer: add 6.6.4, drop 6.5.1

This new version uses EAPI=8 and drops USE=doc. It looks like building
the API documentation requires a new version of dev-php/phpDocumentor,
and that package has been a headache for many years.

Closes: https://bugs.gentoo.org/868549
Signed-off-by: Michael Orlitzky <mjo@gentoo.org>

dev-php/PHPMailer/Manifest

@@ -1,2 +1,2 @@
 DIST PHPMailer-6.5.0.tar.gz 99073 BLAKE2B dcb917233da29ab45305f7cf0405f9bb384bd4f98f062a74d94a168868d0cd92017e555bf8e7139130dd669e0a04917e3789c548b5165112d591aa403bfd56b8 SHA512 0632ec8b80c30393b00aebbadde7dd032eb2553232a100a74d69b6ed6465adf1eb3a4acca0aaf040665a978e7507aee9350b092336056ccb5306fbaea4640376
-DIST PHPMailer-6.5.1.tar.gz 99913 BLAKE2B bf51e2caa0ff1d113d6f96f5c1ee055bacd40f8a251302452eb2ebbe06d1f926935b5d85c1b9e85d115180473b76077f753f0c8af04aa86c86db3431c8a412f2 SHA512 0f8e9e3368edfdb67c701a0f42c548379c9528a90bc016444ebdc9614967ca421fa706b5f1b2de89a91fa98f7e535fb67da578ac6ba1b73f673ba7b45a198f0e
+DIST PHPMailer-6.6.4.tar.gz 102883 BLAKE2B d05eca221b3058e6632ab47c3d93d5f5cc76333351c75af537642a7850c5fb77c825e53a77321e4a63d7b06e41afb468e4dd5fe2f9b5f045ae8ed6f8543ef2ac SHA512 94ef038b59f8cf840205993d994070228a4237a19c153a0a9486e68a0289468cd882b2450482bdafb15f163c526c723dff3903919de872c6888b49273b718e87

dev-php/PHPMailer/PHPMailer-6.6.4.ebuild

@@ -1,7 +1,7 @@
-# Copyright 1999-2021 Gentoo Authors
+# Copyright 1999-2022 Gentoo Authors
 # Distributed under the terms of the GNU General Public License v2
 
-EAPI=7
+EAPI=8
 
 DESCRIPTION="Full-featured email creation and transfer class for PHP"
 HOMEPAGE="https://github.com/PHPMailer/PHPMailer"
@@ -13,7 +13,7 @@ KEYWORDS="~amd64 ~x86"
 
 # To help out the Composer children, the tests and examples are missing
 # from the release tarballs.
-IUSE="doc idn ssl"
+IUSE="idn ssl"
 
 # The ctype and filter extensions get used unconditionally, with no
 # fallback and no "extension missing" exception. All of the other
@@ -33,28 +33,6 @@ RDEPEND="
 		idn?  ( dev-lang/php:*[ctype,filter,intl,unicode] )
 		!idn? ( dev-lang/php:*[ctype,filter] )
 	)"
-BDEPEND="doc? ( dev-php/phpDocumentor )"
-
-src_prepare() {
-	default
-
-	# OAuth.php relies on a (now non-nonexistent) autoloader. We remove
-	# it early so that we don't generate documentation for it later on.
-	rm src/OAuth.php || die 'failed to remove src/OAuth.php'
-}
-
-src_compile() {
-	if use doc; then
-		phpdoc --filename="src/*.php" \
-			--target="./html" \
-			--cache-folder="${T}" \
-			--title="${PN}" \
-			--sourcecode \
-			--force \
-			--progressbar \
-			|| die "failed to generate API documentation"
-	fi
-}
 
 src_install() {
 	# The PHPMailer class loads its language files
@@ -63,7 +41,6 @@ src_install() {
 	doins -r language src
 
 	dodoc README.md SECURITY.md
-	use doc && dodoc -r html/*
 }
 
 pkg_postinst() {