fix(ddm): Remove discouraging of gauges (#1224)

Author: iambriccardo

src/docs/sdk/metrics.mdx

@@ -92,11 +92,11 @@ relay: [`MetricUnit`](https://getsentry.github.io/relay/relay_metrics/enum.Metri
 
 ## Span Seeking and Span Creating Mode
 
-When a metric is emitted it shall either determine the current span (span seeking) or 
+When a metric is emitted it shall either determine the current span (span seeking) or
 create a new span (span creating).
 
 In **span seeking** mode, the span is determined based on the current span on the scope.
-APIs such as `.increment()`, `.distribution()`, `.gauge()` and `.set()` operate in span 
+APIs such as `.increment()`, `.distribution()`, `.gauge()` and `.set()` operate in span
 seeking mode.
 
 In **span creating** mode a new active span is started.
@@ -108,7 +108,7 @@ In span creating mode the span should be setup the following way:
 * the metric tags should be applied to the span as well
 * the span is finished once the timing callback finishes
 
-From there two things shall be happening unless they are disabled:  
+From there two things shall be happening unless they are disabled:
 * **Common tag attaching:** the tags `transaction`, `release` and `environment`
   shall be automatically added to the metric.
 * **Span local aggregation:** the metric shall be attached to the determined span
@@ -234,7 +234,7 @@ class Distribution:
 
 ### Gauges
 
-Gauges (`g`) are generally discouraged.  They are often also called "summaries" as they
+Gauges (`g`) are often also called "summaries" as they
 are similar in nature to distributions, but somewhat lossy.  They are however emitted
 per span when metric summaries are enabled.  As they are hard to aggregate across
 different emitters they can be tricky to use properly in practice.