cq-editor: remove remnant patch file

The package was removed in #311201.

pkgs/applications/graphics/cq-editor/spyder4.patch

@@ -1,58 +0,0 @@
-diff --git a/cq_editor/widgets/debugger.py b/cq_editor/widgets/debugger.py
-index b7398fb..d039db5 100644
---- a/cq_editor/widgets/debugger.py
-+++ b/cq_editor/widgets/debugger.py
-@@ -162,7 +162,7 @@ class Debugger(QObject,ComponentMixin):
- 
-     def get_breakpoints(self):
- 
--        return self.parent().components['editor'].get_breakpoints()
-+        return self.parent().components['editor'].debugger.get_breakpoints()
- 
-     def compile_code(self,cq_script):
- 
-@@ -178,12 +178,14 @@ class Debugger(QObject,ComponentMixin):
-     def _exec(self, code, locals_dict, globals_dict):
- 
-         with ExitStack() as stack:
--            p = Path(self.parent().components['editor'].filename).dirname()
--            if self.preferences['Add script dir to path'] and p:
-+            fname = self.parent().components['editor'].filename
-+            p = Path(fname if fname else '').abspath().dirname()
-+            if self.preferences['Add script dir to path'] and p.exists():
-                 sys.path.append(p)
-                 stack.callback(sys.path.remove, p)
--            if self.preferences['Change working dir to script dir'] and p:
-+            if self.preferences['Change working dir to script dir'] and p.exists():
-                 stack.enter_context(p)
-+
-             exec(code, locals_dict, globals_dict)
-             
-     def _inject_locals(self,module):
-diff --git a/cq_editor/widgets/editor.py b/cq_editor/widgets/editor.py
-index 45aa048..2763469 100644
---- a/cq_editor/widgets/editor.py
-+++ b/cq_editor/widgets/editor.py
-@@ -1,4 +1,4 @@
--from spyder.widgets.sourcecode.codeeditor import  CodeEditor
-+from spyder.plugins.editor.widgets.codeeditor import  CodeEditor
- from PyQt5.QtCore import pyqtSignal, QFileSystemWatcher, QTimer
- from PyQt5.QtWidgets import QAction, QFileDialog
- from PyQt5.QtGui import QFontDatabase
-@@ -32,6 +32,8 @@ class Editor(CodeEditor,ComponentMixin):
- 
-     def __init__(self,parent=None):
- 
-+        self._watched_file = None
-+
-         super(Editor,self).__init__(parent)
-         ComponentMixin.__init__(self)
- 
-@@ -83,7 +85,6 @@ class Editor(CodeEditor,ComponentMixin):
- 
-         # autoreload support
-         self._file_watcher = QFileSystemWatcher(self)
--        self._watched_file = None
-         # we wait for 50ms after a file change for the file to be written completely
-         self._file_watch_timer = QTimer(self)
-         self._file_watch_timer.setInterval(50)