Remove Docker sed patches - repos now have PySide6

All ecosystem repos have been updated with PySide6 changes,
so the build-time patches are no longer needed.

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

Dockerfile

@@ -40,25 +40,6 @@ RUN git clone ${GITEA_URL}/CmdForge.git CmdForge && \
     git clone ${GITEA_URL}/orchestrated-discussions.git orchestrated-discussions && \
     git clone ${GITEA_URL}/development-hub.git development-hub
 
-# Apply patches for PySide6 unification (until changes are pushed to Gitea)
-# Patch pyproject.toml files
-RUN sed -i 's|PyQt6|PySide6|g' /workspace/development-hub/pyproject.toml && \
-    sed -i 's|file:///home/rob/PycharmProjects|file:///workspace|g' /workspace/development-hub/pyproject.toml && \
-    sed -i 's|PyQt6|PySide6|g' /workspace/artifact-editor/pyproject.toml
-
-# Patch source files: PyQt6 -> PySide6
-RUN find /workspace/development-hub/src -name "*.py" -exec sed -i \
-    -e 's/from PyQt6/from PySide6/g' \
-    -e 's/import PyQt6/import PySide6/g' \
-    -e 's/pyqtSignal/Signal/g' \
-    -e 's/pyqtSlot/Slot/g' {} \;
-
-RUN find /workspace/artifact-editor/src -name "*.py" -exec sed -i \
-    -e 's/from PyQt6/from PySide6/g' \
-    -e 's/import PyQt6/import PySide6/g' \
-    -e 's/pyqtSignal/Signal/g' \
-    -e 's/pyqtSlot/Slot/g' {} \;
-
 # Create venv and install
 RUN python -m venv /venv
 ENV PATH="/venv/bin:$PATH"