espeak-ng: PKGCONFIG_OVERRIDE not needed anymore

[adr <adr%sdf.org@localhost>]

Hi, I noticed that the package can now be built without
PKGCONFIG_OVERRIDE+=	espeak-ng.pc.in

If someone could apply the attached patch I would appreciate it.

adr
==================================
Index: Makefile
===================================================================
RCS file: /cvsroot/pkgsrc/audio/espeak-ng/Makefile,v
retrieving revision 1.1
diff -u -r1.1 Makefile
--- Makefile	11 Mar 2024 08:03:45 -0000	1.1
+++ Makefile	12 Mar 2024 23:53:28 -0000
@@ -28,8 +28,6 @@

 CONFIGURE_ARGS+=	CFLAGS=${CFLAGS:M*:Q}

-PKGCONFIG_OVERRIDE+=	espeak-ng.pc.in
-
 SUBST_CLASSES+=		mbrola
 SUBST_STAGE.mbrola=	pre-configure
 SUBST_FILES.mbrola=	src/libespeak-ng/synth_mbrola.c

Index: Makefile
===================================================================
RCS file: /cvsroot/pkgsrc/audio/espeak-ng/Makefile,v
retrieving revision 1.1
diff -u -r1.1 Makefile
--- Makefile	11 Mar 2024 08:03:45 -0000	1.1
+++ Makefile	12 Mar 2024 23:53:28 -0000
@@ -28,8 +28,6 @@
 
 CONFIGURE_ARGS+=	CFLAGS=${CFLAGS:M*:Q}
 
-PKGCONFIG_OVERRIDE+=	espeak-ng.pc.in
-
 SUBST_CLASSES+=		mbrola
 SUBST_STAGE.mbrola=	pre-configure
 SUBST_FILES.mbrola=	src/libespeak-ng/synth_mbrola.c