not needed in android-7

packages/libbsd/fpurge.c.patch

@@ -1,15 +0,0 @@
---- ../cache/libbsd-0.9.1/src/fpurge.c	2017-06-06 02:06:45.000000000 +0000
-+++ ./src/fpurge.c	2018-10-16 02:56:49.159805187 +0000
-@@ -41,6 +41,12 @@
- 
- 	return 0;
- }
-+#elif defined(__BIONIC__)
-+void
-+__fpurge(FILE *fp) {
-+	fpurge(fp);
-+	return ;
-+}
- #else
- #error "Function fpurge() needs to be ported."
- #endif