dev-java/openjdk: fix openjdk 8 configure args

The option doesn't exist for 8, I botched the mass conversion.

Fixes: 962499a101
Closes: https://bugs.gentoo.org/961026
Signed-off-by: Sam James <sam@gentoo.org>

dev-java/openjdk/openjdk-8.462_p08.ebuild

@@ -192,8 +192,7 @@ src_configure() {
 	filter-flags -fexceptions
 
 	# Strip lto related flags, we rely on --with-jvm-features=link-time-opt
-	# See bug #833097 and bug #833098.
-	tc-is-lto && myconf+=( --with-jvm-features=link-time-opt )
+	# in newer JDKs. See bug #833097 and bug #833098.
 	filter-lto
 	filter-flags -fdevirtualize-at-ltrans