Removed pixi everywhere

.github/workflows/ci.yml

@@ -16,22 +16,22 @@ jobs:
     steps:
     - uses: actions/checkout@v4
 
-    - name: Setup pixi
-      uses: prefix-dev/setup-[email protected]
+    - name: Setup micromamba
+      uses: mamba-org/setup-micromamba@v1
       with:
-        pixi-version: v0.3.0
-
-    - name: Setup pixi environment
-      run: |
-        pixi install
-
+        micromamba-version: '1.3.1-0'
+        environment-file: environment.yml
+        init-shell: bash
+        cache-environment: true
+        post-cleanup: 'all'
+  
     - name: Compile with meson
-      shell: pixi run bash {0}
+      shell: micromamba-shell {0}
       run: |
         meson setup build
         meson compile -C build
 
     - name: Test with meson
-      shell: pixi run bash {0}
+      shell: micromamba-shell {0}
       run: |
         meson test -C build

.gitignore

@@ -5,10 +5,6 @@
 output/
 build/
 
-# pixi 
-.pixi/
-pixi.lock
-
 # Prerequisites
 *.d
 

README.md

@@ -7,15 +7,7 @@
 Seldon is a performant code for performing various types of opinion dynamics simulations (under development), written primarily in `C++`. 
 
 ## Installation 
-
-We use [`pixi`](https://github.com/prefix-dev/pixi) as the package manager. 
-
-```bash
-pixi shell # to activate the env
-```
-
-If you want to use [`micromamba`](https://mamba.readthedocs.io/en/latest/user_guide/micromamba.html) as the package manager, create and activate 
-the environment.
+If you want to use [`micromamba`](https://mamba.readthedocs.io/en/latest/user_guide/micromamba.html) as the package manager, create and activate the environment.
 
 ```bash
 micromamba create -f environment.yml