remove unused thisMeth type. Returns are combined and already checked against return Type

src/Typecheck.hs

@@ -21,7 +21,7 @@ typeCheckMethodDeclaration (MethodDeclaration retType name params body) classFie
     let
         -- Combine class fields with method parameters to form the initial symbol table for the method
         methodParams = [(identifier, dataType) | ParameterDeclaration dataType identifier <- params]
-        initialSymtab =  ("thisMeth", retType) : classFields ++ methodParams
+        initialSymtab = classFields ++ methodParams
         checkedBody = typeCheckStatement body initialSymtab classes
         bodyType = getTypeFromStmt checkedBody
         -- Check if the type of the body matches the declared return type