Remove redundant error message for obtaining SQL Server instance

Author: johlju

source/Modules/SqlServerDsc.Common/en-US/SqlServerDsc.Common.strings.psd1

@@ -43,7 +43,6 @@ ConvertFrom-StringData @'
     NotOwnerOfClusterResource = The node '{0}' is not the owner of the cluster resource '{1}'. The owner is '{2}' so no restart is needed. (SQLCOMMON0067)
     LoadedAssembly = Loaded the assembly '{0}'. (SQLCOMMON0068)
     FailedToLoadAssembly = Failed to load the assembly '{0}'. (SQLCOMMON0069)
-    FailedToObtainServerInstance = Failed to obtain a SQL Server instance with name '{0}' on server '{1}'. Ensure the SQL Server instance exists on the server and that the 'SQLServer' module references a version of the 'Microsoft.SqlServer.Management.Smo.Wmi' library that supports the version of the SQL Server instance. (SQLCOMMON0070)
     DatabaseEngineInstanceNotOnline = The SQL instance '{0}' was expected to have the status 'Online', but had status '{1}'. (SQLCOMMON0071)
     WaitForDatabaseEngineInstanceStatus = The SQL instance status is '{0}' expected '{1}', waiting {2} seconds.  (SQLCOMMON0072)
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source/Modules/SqlServerDsc.Common/sv-SE/SqlServerDsc.Common.strings.psd1

@@ -49,7 +49,6 @@ ConvertFrom-StringData @'
     NotOwnerOfClusterResource = The node '{0}' is not the owner of the cluster resource '{1}'. The owner is '{2}' so no restart is needed. (SQLCOMMON0067)
     LoadedAssembly = Loaded the assembly '{0}'. (SQLCOMMON0068)
     FailedToLoadAssembly = Failed to load the assembly '{0}'. (SQLCOMMON0069)
-    FailedToObtainServerInstance = Failed to obtain a SQL Server instance with name '{0}' on server '{1}'. Ensure the SQL Server instance exists on the server and that the 'SQLServer' module references a version of the 'Microsoft.SqlServer.Management.Smo.Wmi' library that supports the version of the SQL Server instance. (SQLCOMMON0070)
     DatabaseEngineInstanceNotOnline = The SQL instance '{0}' was expected to have the status 'Online', but had status '{1}'. (SQLCOMMON0071)
     WaitForDatabaseEngineInstanceStatus = The SQL instance status is '{0}' expected '{1}', waiting {2} seconds.  (SQLCOMMON0072)
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