chore: remove changes made by wrong commit (#19)

Author: Abdul-Muqadim-Arbisoft

setup.py

@@ -41,9 +41,9 @@ def load_about():
     long_description_content_type="text/x-rst",
     packages=find_packages(exclude=["tests*"]),
     include_package_data=True,
-a    python_requires=">=3.9",
-    install_requires=["tutor>=19.0.0,<20.0.0", "tutor-mfe>=19.0.0,<20.0.0"],
-    extras_require={"dev": "tutor[dev]>=19.0.0,<20.0.0"},
+    python_requires=">=3.9",
+    install_requires=["tutor>=18.0.0,<19.0.0", "tutor-mfe>=18.0.0,<19.0.0"],
+    extras_require={"dev": "tutor[dev]>=18.0.0,<19.0.0"},
     entry_points={
         "tutor.plugin.v1": [
             "jupyter = tutorjupyter.plugin"