CDRIVER-3496 update spec.patch

Temporarily remove dependency of libmongocrypt until we can test with
new enough Fedora in evergreen. Otherwise build_snapshot_rpm.sh fails
to install the dependency 'cmake(mongocrypt)'

Author: kevinAlbs

.evergreen/spec.patch

@@ -1,20 +1,17 @@
 --- mongo-c-driver.spec.orig	2019-08-27 21:43:20.721612865 +0000
 +++ mongo-c-driver.spec	2019-08-27 22:28:57.276867708 +0000
-@@ -181,7 +181,8 @@
- %{_includedir}/%{libname}-%{libver}
- %{_libdir}/%{libname}-%{libver}.so
- %{_libdir}/pkgconfig/%{libname}-*.pc
- %{_libdir}/cmake/%{libname}-%{libver}
-+%{_libdir}/cmake/mongoc*
- %{_mandir}/man3/mongoc*
- 
- %files -n libbson
-@@ -195,7 +195,8 @@
- %doc src/libbson/NEWS
- %{_includedir}/libbson-%{libver}
- %{_libdir}/libbson*.so
- %{_libdir}/cmake/libbson-%{libver}
-+%{_libdir}/cmake/bson*
- %{_libdir}/pkgconfig/libbson-*.pc
- %{_mandir}/man3/bson*
- 
+@@ -38,7 +38,6 @@ BuildRequires: pkgconfig(libzstd)
+ BuildRequires: mongodb-server
+ BuildRequires: openssl
+ %endif
+-BuildRequires: cmake(mongocrypt)
+ BuildRequires: perl-interpreter
+ # From man pages
+ BuildRequires: python3
+@@ -124,7 +123,6 @@ Documentation: http://mongoc.org/libbson/%{version}/
+ %endif
+     -DENABLE_EXAMPLES:BOOL=OFF \
+     -DENABLE_UNINSTALL:BOOL=OFF \
+-    -DENABLE_CLIENT_SIDE_ENCRYPTION:BOOL=ON \
+     .
+