Updated _pkgdown.yml to new Poisson template

Author: dunkenwg

_pkgdown.yml

@@ -1,6 +1,5 @@
 url: https://poissonconsulting.github.io/newdata/
 template:
-  bootstrap: 5
   package: poissontemplate
 
 reference:
@@ -26,4 +25,4 @@ reference:
   - old_data
 
 development:
-  mode: auto
+  mode: auto