Remove the last .jam file.

How did I miss this before?

Change-Id: I2e582133fc4800656fdd81104f8dfc7ee8f5b580
diff --git a/libc/bionic/rules.jam b/libc/bionic/rules.jam
deleted file mode 100644
index 219526b..0000000
--- a/libc/bionic/rules.jam
+++ /dev/null
@@ -1 +0,0 @@
-NO_LOCAL_SRC = malloc_leak.c ;