processing: Drop patch that is no longer necessary

pkgs/by-name/pr/processing/disable-revision-check.patch

@@ -1,13 +0,0 @@
-diff --git a/build/build.xml b/build/build.xml
-index 8ad556c11..e61b6ae45 100644
---- a/build/build.xml
-+++ b/build/build.xml
-@@ -453,8 +453,6 @@
- 
-     <!-- the revision.base property won't be set
-          if $revision wasn't found... -->
--    <fail unless="revision.correct"
--          message="Fix revision number in Base.java" />
-   </target>
- 
- 

pkgs/by-name/pr/processing/package.nix

@@ -71,12 +71,7 @@ stdenv.mkDerivation rec {
     sha256 = "sha256-u2wQl/VGCNJPd+k3DX2eW7gkA/RARMTSNGcoQuS/Oh8=";
   };
 
-  # Processing did not update the todo.txt file before tagging this release, so
-  # the "revision-check" Ant target fails.
-  patches = [
-    ./disable-revision-check.patch
-    ./fix-ant-build.patch
-  ];
+  patches = [ ./fix-ant-build.patch ];
 
   nativeBuildInputs = [
     ant