Remove "the most optimal" (#130900)

"optimal" already means "the best"

docs/reference/elasticsearch/mapping-reference/sparse-vector.md

@@ -83,7 +83,7 @@ Parameters for `index_options` are:
     :   (Optional, float) Tokens whose weight is less than `tokens_weight_threshold` are considered insignificant and pruned. This value must be between 0 and 1. Default: `0.4`.
 
     ::::{note}
-    The default values for `tokens_freq_ratio_threshold` and `tokens_weight_threshold` were chosen based on tests using ELSERv2 that provided the most optimal results.
+    The default values for `tokens_freq_ratio_threshold` and `tokens_weight_threshold` were chosen based on tests using ELSERv2 that provided the optimal results.
     ::::
 
 When token pruning is applied, non-significant tokens will be pruned from the query.

docs/reference/query-languages/query-dsl/query-dsl-sparse-vector-query.md

@@ -80,7 +80,7 @@ GET _search
     :   (Optional, boolean) If `true` we only input pruned tokens into scoring, and discard non-pruned tokens. It is strongly recommended to set this to `false` for the main query, but this can be set to `true` for a rescore query to get more relevant results. Default: `false`.
 
     ::::{note}
-    The default values for `tokens_freq_ratio_threshold` and `tokens_weight_threshold` were chosen based on tests using ELSERv2 that provided the most optimal results.
+    The default values for `tokens_freq_ratio_threshold` and `tokens_weight_threshold` were chosen based on tests using ELSERv2 that provided the optimal results.
     ::::
 
 When token pruning is applied, non-significant tokens will be pruned from the query.

docs/reference/query-languages/query-dsl/query-dsl-text-expansion-query.md

@@ -69,7 +69,7 @@ GET _search
     :   (Optional, boolean) [preview] If `true` we only input pruned tokens into scoring, and discard non-pruned tokens. It is strongly recommended to set this to `false` for the main query, but this can be set to `true` for a rescore query to get more relevant results. Default: `false`.
 
     ::::{note}
-    The default values for `tokens_freq_ratio_threshold` and `tokens_weight_threshold` were chosen based on tests using ELSER that provided the most optimal results.
+    The default values for `tokens_freq_ratio_threshold` and `tokens_weight_threshold` were chosen based on tests using ELSER that provided the optimal results.
     ::::
 
 

docs/reference/query-languages/query-dsl/query-dsl-weighted-tokens-query.md

@@ -66,7 +66,7 @@ POST _search
     :   (Optional, boolean) If `true` we only input pruned tokens into scoring, and discard non-pruned tokens. It is strongly recommended to set this to `false` for the main query, but this can be set to `true` for a rescore query to get more relevant results. Default: `false`.
 
     ::::{note}
-    The default values for `tokens_freq_ratio_threshold` and `tokens_weight_threshold` were chosen based on tests using ELSER that provided the most optimal results.
+    The default values for `tokens_freq_ratio_threshold` and `tokens_weight_threshold` were chosen based on tests using ELSER that provided the optimal results.
     ::::