Remove unnecessary patch.

The JNI files are not compiled.

proj-4.8.0-removeinclude.patch

@@ -1,10 +0,0 @@
---- src/jniproj.c.old	2012-04-21 00:01:12.286146452 +0300
-+++ src/jniproj.c	2012-04-21 00:01:18.128146582 +0300
-@@ -49,7 +49,6 @@
- #include <math.h>
- #include <string.h>
- #include "projects.h"
--#include "org_proj4_PJ.h"
- #include <jni.h>
- 
- #define PJ_FIELD_NAME "ptr"

proj.spec

@@ -7,7 +7,6 @@ License:	MIT
 URL:		https://proj4.org
 Source0:	http://download.osgeo.org/%{name}/%{name}-%{version}.tar.gz
 Source1:	http://download.osgeo.org/%{name}/%{name}-datumgrid-1.8.zip
-Patch0:		%{name}-4.8.0-removeinclude.patch
 
 BuildRequires:	libtool gcc-c++
 
@@ -51,7 +50,6 @@ This package contains additional EPSG dataset.
 
 %prep
 %setup -q -n %{name}-%{version}
-%patch0 -p0
 
 # disable internal libtool to avoid hardcoded r-path
 for makefile in `find . -type f -name 'Makefile.in'`; do