Ensure XslCompiledTransform works with TrimMode=link (#45522)

Resolve ILLinker warnings in Xml.Xsl in order to make a basic Xslt scenario work.

Fix #45393

Author: eerhardt

src/libraries/System.Private.Xml/src/ILLink/ILLink.Suppressions.Debug.xml

@@ -31,12 +31,6 @@
       <property name="Scope">member</property>
       <property name="Target">M:System.Xml.Serialization.XmlSerializationWriterCodeGen.WriteCheckDefault(System.Xml.Serialization.TypeMapping,System.String,System.Object,System.Boolean)</property>
     </attribute>
-    <attribute fullname="System.Diagnostics.CodeAnalysis.UnconditionalSuppressMessageAttribute">
-      <argument>ILLink</argument>
-      <argument>IL2057</argument>
-      <property name="Scope">member</property>
-      <property name="Target">M:System.Xml.Xsl.IlGen.XmlILStorageMethods.#ctor(System.Type)</property>
-    </attribute>
     <attribute fullname="System.Diagnostics.CodeAnalysis.UnconditionalSuppressMessageAttribute">
       <argument>ILLink</argument>
       <argument>IL2060</argument>
@@ -145,48 +139,12 @@
       <property name="Scope">member</property>
       <property name="Target">M:System.Xml.Serialization.XmlReflectionImporter.GetMethodFromSchemaProvider(System.Xml.Serialization.XmlSchemaProviderAttribute,System.Type)</property>
     </attribute>
-    <attribute fullname="System.Diagnostics.CodeAnalysis.UnconditionalSuppressMessageAttribute">
-      <argument>ILLink</argument>
-      <argument>IL2070</argument>
-      <property name="Scope">member</property>
-      <property name="Target">M:System.Xml.Xsl.IlGen.XmlILConstructors.GetConstructor(System.Type,System.Type[])</property>
-    </attribute>
-    <attribute fullname="System.Diagnostics.CodeAnalysis.UnconditionalSuppressMessageAttribute">
-      <argument>ILLink</argument>
-      <argument>IL2070</argument>
-      <property name="Scope">member</property>
-      <property name="Target">M:System.Xml.Xsl.IlGen.XmlILConstructors.GetConstructor(System.Type)</property>
-    </attribute>
-    <attribute fullname="System.Diagnostics.CodeAnalysis.UnconditionalSuppressMessageAttribute">
-      <argument>ILLink</argument>
-      <argument>IL2070</argument>
-      <property name="Scope">member</property>
-      <property name="Target">M:System.Xml.Xsl.IlGen.XmlILMethods.GetMethod(System.Type,System.String,System.Type[])</property>
-    </attribute>
-    <attribute fullname="System.Diagnostics.CodeAnalysis.UnconditionalSuppressMessageAttribute">
-      <argument>ILLink</argument>
-      <argument>IL2070</argument>
-      <property name="Scope">member</property>
-      <property name="Target">M:System.Xml.Xsl.IlGen.XmlILMethods.GetMethod(System.Type,System.String)</property>
-    </attribute>
     <attribute fullname="System.Diagnostics.CodeAnalysis.UnconditionalSuppressMessageAttribute">
       <argument>ILLink</argument>
       <argument>IL2070</argument>
       <property name="Scope">member</property>
       <property name="Target">M:System.Xml.Xsl.Runtime.EarlyBoundInfo.#ctor(System.String,System.Type)</property>
     </attribute>
-    <attribute fullname="System.Diagnostics.CodeAnalysis.UnconditionalSuppressMessageAttribute">
-      <argument>ILLink</argument>
-      <argument>IL2070</argument>
-      <property name="Scope">member</property>
-      <property name="Target">M:System.Xml.Xsl.Runtime.XsltMethods.GetMethod(System.Type,System.String,System.Type[])</property>
-    </attribute>
-    <attribute fullname="System.Diagnostics.CodeAnalysis.UnconditionalSuppressMessageAttribute">
-      <argument>ILLink</argument>
-      <argument>IL2070</argument>
-      <property name="Scope">member</property>
-      <property name="Target">M:System.Xml.Xsl.Runtime.XsltMethods.GetMethod(System.Type,System.String)</property>
-    </attribute>
     <attribute fullname="System.Diagnostics.CodeAnalysis.UnconditionalSuppressMessageAttribute">
       <argument>ILLink</argument>
       <argument>IL2070</argument>
@@ -361,12 +319,6 @@
       <property name="Scope">member</property>
       <property name="Target">M:System.Xml.Serialization.XmlSerializationWriterILGen.WriteElement(System.Xml.Serialization.SourceInfo,System.Xml.Serialization.ElementAccessor,System.String,System.Boolean)</property>
     </attribute>
-    <attribute fullname="System.Diagnostics.CodeAnalysis.UnconditionalSuppressMessageAttribute">
-      <argument>ILLink</argument>
-      <argument>IL2075</argument>
-      <property name="Scope">member</property>
-      <property name="Target">M:System.Xml.Xsl.IlGen.IteratorDescriptor.PushValue</property>
-    </attribute>
     <attribute fullname="System.Diagnostics.CodeAnalysis.UnconditionalSuppressMessageAttribute">
       <argument>ILLink</argument>
       <argument>IL2075</argument>
@@ -391,12 +343,6 @@
       <property name="Scope">member</property>
       <property name="Target">M:System.Xml.Serialization.XmlSerializationWriterILGen.WriteText(System.Xml.Serialization.SourceInfo,System.Xml.Serialization.TextAccessor)</property>
     </attribute>
-    <attribute fullname="System.Diagnostics.CodeAnalysis.UnconditionalSuppressMessageAttribute">
-      <argument>ILLink</argument>
-      <argument>IL2080</argument>
-      <property name="Scope">member</property>
-      <property name="Target">M:System.Xml.Xsl.IlGen.XmlILStorageMethods.#ctor(System.Type)</property>
-    </attribute>
     <attribute fullname="System.Diagnostics.CodeAnalysis.UnconditionalSuppressMessageAttribute">
       <argument>ILLink</argument>
       <argument>IL2080</argument>