bison: Delete unused patch

(From OE-Core rev: 5917b04027f44e0c4425154dcc0563bbd681c1d8)

Signed-off-by: Khem Raj <raj.khem@gmail.com>
Signed-off-by: Saul Wold <sgw@linux.intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

meta/recipes-devtools/bison/bison/remove-gets.patch

@@ -1,20 +0,0 @@
-gets has been removed from eglibc 2.16
-
-Signed-off-by: Khem Raj <raj.khem@gmail.com>
-
-Upstream-Status: Pending
-Index: bison-2.5/lib/stdio.in.h
-===================================================================
---- bison-2.5.orig/lib/stdio.in.h	2012-07-04 09:09:48.336532195 -0700
-+++ bison-2.5/lib/stdio.in.h	2012-07-04 09:10:22.868533884 -0700
-@@ -180,8 +180,10 @@
- /* It is very rare that the developer ever has full control of stdin,
-    so any use of gets warrants an unconditional warning.  Assume it is
-    always declared, since it is required by C89.  */
-+#if defined gets
- #undef gets
- _GL_WARN_ON_USE (gets, "gets is a security hole - use fgets instead");
-+#endif
- 
- #if @GNULIB_FOPEN@
- # if @REPLACE_FOPEN@