Remove NU5105 suppressions (#7202)

Author: nkolev92

build/common.project.props

@@ -46,7 +46,7 @@
     <SolutionDir Condition="$(SolutionDir) == '' Or $(SolutionDir) == '*Undefined*'">$(RepositoryRootDirectory)</SolutionDir>
     <ArtifactRoot>$(ArtifactsDirectory)</ArtifactRoot>
     <ArtifactTempDirectory>$(ArtifactsDirectory)temp</ArtifactTempDirectory>
-    <NoWarn>$(NoWarn);NU5105;MSB3277;NETSDK1138</NoWarn>
+    <NoWarn>$(NoWarn);MSB3277;NETSDK1138</NoWarn>
     <!-- additional warnings new in .NET 6 that we need to disable when building with source-build -->
     <NoWarn Condition="'$(DotNetBuildSourceOnly)' == 'true'">$(NoWarn);CS1998;CA1416;CS0618;CS1574</NoWarn>
     <SuppressTfmSupportBuildWarnings>true</SuppressTfmSupportBuildWarnings>
@@ -78,7 +78,6 @@
     <Prefer32Bit>false</Prefer32Bit>
     <ErrorReport>prompt</ErrorReport>
     <WarningLevel>4</WarningLevel>
-    <NoWarn>$(NoWarn);NU5105</NoWarn>
     <!-- Code Analysis is OFF by default -->
     <RunCodeAnalysis Condition=" '$(RunCodeAnalysis)' == ''">false</RunCodeAnalysis>
     <!--This property ensures that if you build the exact sources twice,