DOC Remove repeated words in coments and docstring (scikit-learn#30093)

Author: abhi-jha

build_tools/update_environments_and_lock_files.py

@@ -7,7 +7,7 @@
 - make sure that the latest versions of all the dependencies are used in the CI.
   There is a scheduled workflow that does this, see
   .github/workflows/update-lock-files.yml. This is still useful to run this
-  script when when the automated PR fails and for example some packages need to
+  script when the automated PR fails and for example some packages need to
   be pinned. You can add the pins to this script, run it, and open a PR with
   the changes.
 - bump minimum dependencies in sklearn/_min_dependencies.py. Running this

sklearn/utils/extmath.py

@@ -537,7 +537,7 @@ def randomized_svd(
     if is_array_api_compliant:
         Uhat, s, Vt = xp.linalg.svd(B, full_matrices=False)
     else:
-        # When when array_api_dispatch is disabled, rely on scipy.linalg
+        # When array_api_dispatch is disabled, rely on scipy.linalg
         # instead of numpy.linalg to avoid introducing a behavior change w.r.t.
         # previous versions of scikit-learn.
         Uhat, s, Vt = linalg.svd(