net-p2p/dogecoin-qt: remove pie use flag

See:
https://wiki.gentoo.org/wiki/Hardened/Toolchain

It's enabled in Gentoo toolchain by default.

Signed-off-by: Anna (cybertailor) Vyalkova <cyber+gentoo@sysrq.in>

net-p2p/dogecoin-qt/dogecoin-qt-1.14.6.ebuild

@@ -12,7 +12,7 @@ LICENSE="MIT"
 SLOT="0"
 DB_VER="5.3"
 KEYWORDS="~amd64"
-IUSE="cpu_flags_x86_avx2 dogecoind +pie +prune tests utils +wallet zmq"
+IUSE="cpu_flags_x86_avx2 dogecoind +prune tests utils +wallet zmq"
 REQUIRED_USE="dogecoind? ( utils )"
 DOGEDIR="/opt/${PN}"
 DEPEND="
@@ -72,7 +72,6 @@ src_configure() {
 		$(use_enable wallet)
 		$(use_enable zmq)
 		$(use_enable tests tests)
-		$(use_enable pie hardening)
 	)
 
 	econf "${my_econf[@]}"

net-p2p/dogecoin-qt/metadata.xml

@@ -14,7 +14,6 @@
 	<use>
 		<flag name="cpu_flags_x86_avx2">Build with Advanced Vector Extensions instructions support (if the CPU model supports it)</flag>
 		<flag name="dogecoind">Build with dogecoind daemon</flag>
-		<flag name="pie">Position Independent Executables - attempt to harden resulting executables for greater security</flag>  
 		<flag name="prune">Enables automatic pruning of old blocks to stay below 2.2GB target size (if ran from desktop)</flag>
 		<flag name="tests">Build Dogecoin Core Qt with tests option</flag>
 		<flag name="utils">Build with client utilities dogecoin-cli and dogecoin-tx</flag>