sys-cluster/fti: Drop lustre USE flag for last-rited dependency

Bug: https://bugs.gentoo.org/835693
Signed-off-by: Yuan Liao <liaoyuan@gmail.com>

sys-cluster/fti/fti-1.6-r1.ebuild

@@ -21,7 +21,7 @@ SRC_URI="https://github.com/leobago/fti/archive/refs/tags/v${PV}.tar.gz -> ${P}.
 LICENSE="BSD"
 SLOT="0"
 KEYWORDS="~amd64"
-IUSE="doc examples fi-io hdf5 lustre fortran openssl sionlib test tutorial"
+IUSE="doc examples fi-io hdf5 fortran openssl sionlib test tutorial"
 
 #TODO: unbundle jerasure bpp iniparser
 RDEPEND="
@@ -29,7 +29,6 @@ RDEPEND="
 	virtual/mpi
 
 	hdf5? ( sci-libs/hdf5[mpi] )
-	lustre? ( sys-cluster/lustre )
 	openssl? ( dev-libs/openssl )
 	sionlib? ( sys-cluster/sionlib )
 "
@@ -58,7 +57,6 @@ src_configure() {
 		-DENABLE_FI_IO=$(usex fi-io)
 		-DENABLE_FORTRAN=$(usex fortran)
 		-DENABLE_HDF5=$(usex hdf5)
-		-DENABLE_LUSTRE=$(usex lustre)
 		-DENABLE_OPENSSL=$(usex openssl)
 		-DENABLE_SIONLIB=$(usex sionlib)
 		-DENABLE_TESTS=$(usex test)

sys-cluster/fti/metadata.xml

@@ -15,7 +15,6 @@ FTI stands for Fault Tolerance Interface and is a library that aims to give comp
   <use>
     <flag name="openssl">To use the <pkg>dev-libs/openssl</pkg> MD5 rather than the built-in</flag>
     <flag name="fortran">Enables the build of a Fortran wrapper</flag>
-    <flag name="lustre">Enables Lustre Support</flag>
     <flag name="sionlib">Enables the parallel I/O <pkg>sys-cluster/sionlib</pkg> for FTI</flag>
     <flag name="hdf5">Enables the HDF5 checkpoints for FTI</flag>
     <flag name="tutorial">Enables the generation of tutorial files</flag>