[release] Instrumentation.SqlClient- stable release 1.15.0 updates (#3824)

Signed-off-by: otelbot <197425009+otelbot@users.noreply.github.com>
Co-authored-by: otelbot <197425009+otelbot@users.noreply.github.com>
Co-authored-by: Piotr Kiełkowicz <pkiekowicz@splunk.com>

Author: 3 people

src/OpenTelemetry.Instrumentation.SqlClient/OpenTelemetry.Instrumentation.SqlClient.csproj

@@ -6,12 +6,7 @@
     <Description>SqlClient instrumentation for OpenTelemetry .NET.</Description>
     <PackageTags>$(PackageTags);distributed-tracing</PackageTags>
     <MinVerTagPrefix>Instrumentation.SqlClient-</MinVerTagPrefix>
-  </PropertyGroup>
-
-  <!-- Do not run Package Baseline Validation as this package has never released a stable version.
-  Remove this property once we have released a stable version and add PackageValidationBaselineVersion property. -->
-  <PropertyGroup>
-    <DisablePackageBaselineValidation>true</DisablePackageBaselineValidation>
+    <PackageValidationBaselineVersion>1.15.0</PackageValidationBaselineVersion>
   </PropertyGroup>
 
   <ItemGroup>