Remove stray file

configure.patch

@@ -1,12 +0,0 @@
-diff -u -r ../libvpx-1.5.0/configure ./configure
---- ../libvpx-1.5.0/configure	2015-11-09 17:12:38.000000000 -0500
-+++ ./configure	2015-11-17 15:20:15.792584646 -0500
-@@ -507,7 +507,7 @@
-         # Can only build shared libs on a subset of platforms. Doing this check
-         # here rather than at option parse time because the target auto-detect
-         # magic happens after the command line has been parsed.
--        if ! enabled linux && ! enabled os2; then
-+        if ! enabled linux && ! enabled os2 && ! enabled android; then
-             if enabled gnu; then
-                 echo "--enable-shared is only supported on ELF; assuming this is OK"
-             else