Revert "Release: Bump branch to 4.4 Beta."

This reverts commit 8a6e3a0bd7.

.gitmodules

@@ -2,33 +2,33 @@
 	update = none
 	path = lib/linux_x64
 	url = https://projects.blender.org/blender/lib-linux_x64.git
-	branch = blender-v4.4-release
+	branch = main
 [submodule "lib/macos_arm64"]
 	update = none
 	path = lib/macos_arm64
 	url = https://projects.blender.org/blender/lib-macos_arm64.git
-	branch = blender-v4.4-release
+	branch = main
 [submodule "lib/macos_x64"]
 	update = none
 	path = lib/macos_x64
 	url = https://projects.blender.org/blender/lib-macos_x64.git
-	branch = blender-v4.4-release
+	branch = main
 [submodule "lib/windows_x64"]
 	update = none
 	path = lib/windows_x64
 	url = https://projects.blender.org/blender/lib-windows_x64.git
-	branch = blender-v4.4-release
+	branch = main
 [submodule "lib/windows_arm64"]
     update = none
 	path = lib/windows_arm64
 	url = https://projects.blender.org/blender/lib-windows_arm64.git
-	branch = blender-v4.4-release
+	branch = main
 [submodule "release/datafiles/assets"]
 	path = release/datafiles/assets
 	url = https://projects.blender.org/blender/blender-assets.git
-	branch = blender-v4.4-release
+	branch = main
 [submodule "tests/data"]
 	update = none
 	path = tests/data
 	url = https://projects.blender.org/blender/blender-test-data.git
-	branch = blender-v4.4-release
+	branch = main