libglib2: remove redundant configure args

package/libglib2/libglib2.mk

@@ -44,14 +44,7 @@ LIBGLIB2_CONF_ENV =	$(TARGET_CONFIGURE_OPTS) $(TARGET_CONFIGURE_ARGS) \
 		ac_cv_prog_CXX=no ac_cv_func_posix_getgrgid_r=no \
 		gt_cv_c_wchar_t=$(if $(BR2_USE_WCHAR),yes,no)
 
-LIBGLIB2_CONF_OPT =	--target=$(GNU_TARGET_NAME) --host=$(GNU_TARGET_NAME) \
-		--build=$(GNU_HOST_NAME) --prefix=/usr \
-		--exec-prefix=/usr --bindir=/usr/bin \
-		--sbindir=/usr/sbin --libdir=/usr/lib \
-		--libexecdir=/usr/lib --sysconfdir=/etc \
-		--datadir=/usr/share --localstatedir=/var \
-		--includedir=/usr/include --mandir=/usr/man \
-		--infodir=/usr/info --enable-shared \
+LIBGLIB2_CONF_OPT = --enable-shared \
 		--enable-static $(DISABLE_NLS)
 
 LIBGLIB2_DEPENDENCIES = uclibc gettext libintl libiconv pkgconfig