Remove the deprecated conda installation option from getting started

The conda package receives no updates and uv/pip cover the install
paths that used to need it, including on Windows.

Author: wmayner

docs/getting-started/index.ipynb

@@ -58,21 +58,6 @@
     "pip install \"git+https://github.com/wmayner/pyphi@main#egg=pyphi\"  # latest development version\n",
     "```\n",
     "\n",
-    "### Legacy: conda (deprecated)\n",
-    "\n",
-    "```{warning}\n",
-    "The conda package is deprecated and may not receive updates. Please use uv or\n",
-    "pip instead.\n",
-    "```\n",
-    "\n",
-    "Windows users who hit problems with uv or pip on older systems can use the\n",
-    "[Anaconda Python](https://www.anaconda.com/what-is-anaconda/) distribution and\n",
-    "[install PyPhi with conda](https://anaconda.org/wmayner/pyphi):\n",
-    "\n",
-    "```bash\n",
-    "conda install -c wmayner pyphi\n",
-    "```\n",
-    "\n",
     "## Your first computation\n",
     "\n",
     "Start by importing the package. Turning off the progress bars keeps the output\n",

docs/getting-started/index.md

@@ -65,21 +65,6 @@ pip install pyphi                                                  # latest stab
 pip install "git+https://github.com/wmayner/pyphi@main#egg=pyphi"  # latest development version
 ```
 
-### Legacy: conda (deprecated)
-
-```{warning}
-The conda package is deprecated and may not receive updates. Please use uv or
-pip instead.
-```
-
-Windows users who hit problems with uv or pip on older systems can use the
-[Anaconda Python](https://www.anaconda.com/what-is-anaconda/) distribution and
-[install PyPhi with conda](https://anaconda.org/wmayner/pyphi):
-
-```bash
-conda install -c wmayner pyphi
-```
-
 ## Your first computation
 
 Start by importing the package. Turning off the progress bars keeps the output