harfbuzz: remove libtool library files

* they hardcode paths to all deps.

media-libs/harfbuzz/harfbuzz-0.9.35.recipe

@@ -20,7 +20,7 @@ COPYRIGHT="
 	"
 SRC_URI="http://www.freedesktop.org/software/harfbuzz/release/harfbuzz-$portVersion.tar.bz2"
 CHECKSUM_SHA256="0aa1a8aba6f502321cf6fef3c9d2c73dde48389c5ed1d3615a7691944c2a06ed"
-REVISION="2"
+REVISION="3"
 ARCHITECTURES="x86 x86_64"
 if [ $effectiveTargetArchitecture != x86_gcc2 ]; then
 	# x86_gcc2 is fine as primary target architecture as long as we're building
@@ -81,6 +81,9 @@ INSTALL()
 {
 	make install
 
+		# remove libtool library file
+	rm $libDir/libharfbuzz.la
+	
 	prepareInstalledDevelLibs libharfbuzz
 	fixPkgconfig