Remove references to max_samples_per_query from docs

Author: aclaygray

docs/configuration/arguments.md

@@ -316,8 +316,8 @@ overrides:
   tenant1:
     ingestion_rate: 10000
     max_series_per_metric: 100000
+    max_fetched_series_per_query: 10000
   tenant2:
-    max_samples_per_query: 1000000
     max_series_per_metric: 100000
 
 multi_kv_config:
@@ -345,7 +345,6 @@ overrides:
     ingestion_rate: 10000
     max_series_per_metric: 100000
   tenant2:
-    max_samples_per_query: 1000000
     max_series_per_metric: 100000
 ```
 

docs/guides/overrides-exporter-runtime.yaml

@@ -8,4 +8,3 @@ overrides:
     max_global_series_per_user: 300000
     max_series_per_metric: 0
     max_series_per_user: 0
-    max_samples_per_query: 100000

docs/guides/overrides-exporter.md

@@ -36,7 +36,6 @@ overrides:
     max_global_series_per_user: 300000
     max_series_per_metric: 0
     max_series_per_user: 0
-    max_samples_per_query: 100000
 ```
 
 The `overrides-exporter` is configured to run as follows: