Use upstream Pure Data instead of my fork

I'm no longer seeing issues with Gem's git repo.

net.purrdata.PurrData.yml

@@ -21,11 +21,9 @@ modules:
   config-opts: [ '--disable-portaudio', '--enable-alsa', '--enable-oss' ]
   sources:
   - type: git
-    # This fork of https://github.com/agraef/purr-data/ simply removes the Gem
-    # submodule, as it took way too long to clone this submodule for me.
-    url: https://github.com/ssssam/purr-data
-    branch: sam/2.10.0-disable-gem
-    commit: 17903852ea5bc564ff809d286dbed5217ba461af
+    url: https://github.com/agraef/purr-data/
+    tag: 2.10.0
+    commit: 7cf93e5e32009f033430b8bc9c7276adb272853c
   - type: patch
     path: patch/build-api.patch
   - type: patch
@@ -69,8 +67,9 @@ modules:
   #   zexy -- fails to configure
   sources:
   - type: git
-    url: https://github.com/ssssam/purr-data
-    branch: sam/2.10.0-disable-gem
+    url: https://github.com/agraef/purr-data/
+    tag: 2.10.0
+    commit: 7cf93e5e32009f033430b8bc9c7276adb272853c
 
 - name: pd-abstractions
   buildsystem: simple
@@ -79,8 +78,9 @@ modules:
   - make -j $(FLATPAK_BUILDER_N_JOBS) DESTDIR=/ prefix=/app install
   sources:
   - type: git
-    url: https://github.com/ssssam/purr-data
-    branch: sam/2.10.0-disable-gem
+    url: https://github.com/agraef/purr-data/
+    tag: 2.10.0
+    commit: 7cf93e5e32009f033430b8bc9c7276adb272853c
 
 - name: purr-data-integration
   buildsystem: simple
@@ -105,9 +105,9 @@ modules:
   - install -m 644 packages/linux_make/pd-l2ork.xml /app/share/mime/packages/net.purrdata.PurrData.xml
   sources:
   - type: git
-    url: https://github.com/ssssam/purr-data
-    branch: sam/2.10.0-disable-gem
-    commit: 17903852ea5bc564ff809d286dbed5217ba461af
+    url: https://github.com/agraef/purr-data/
+    tag: 2.10.0
+    commit: 7cf93e5e32009f033430b8bc9c7276adb272853c
   - type: file
     # Using an binary x86_64 build of nw.js makes me sad. There are ARM packages
     # available from the nw.js website. For other platforms, it's difficult but