Unify optimize yul code in CompilerContext/ContractCompiler

test/cmdlineTests.sh

@@ -155,6 +155,7 @@ function test_solc_behaviour()
         rm "$stdout_path.bak"
     else
         sed -i.bak -e '/^Warning: This is a pre-release compiler version, please do not use it in production./d' "$stderr_path"
+        sed -i.bak -e 's/\(^[ ]*auxdata: \)0x[0-9a-f]*$/\1AUXDATA REMOVED/' "$stdout_path"
         sed -i.bak -e 's/ Consider adding "pragma .*$//' "$stderr_path"
         # Remove trailing empty lines. Needs a line break to make OSX sed happy.
         sed -i.bak -e '1{/^$/d

test/cmdlineTests/optimizer_user_yul/output

@@ -83,5 +83,5 @@ sub_0: assembly {
         /* "--CODEGEN--":2:14   */
       revert
 
-    auxdata: 0xa164736f6c63782a302e362e332d646576656c6f702e323032302e322e362b636f6d6d69742e31353237396436392e6d6f640032
+    auxdata: AUXDATA REMOVED
 }