remove addImportUnchecked

Author: kuhe

smithy-typescript-codegen/src/main/java/software/amazon/smithy/typescript/codegen/TypeScriptWriter.java

@@ -167,7 +167,7 @@ && getDependencies().stream().noneMatch(dep -> dep.getPackageName().equals(packa
                 throw new CodegenException(
                     """
                     The import %s does not correspond to a registered dependency.
-                    TypeScriptWriter::addDependency() is required before ::addImport(), or call ::addImportUnchecked().
+                    TypeScriptWriter::addDependency() is required before ::addImport().
                     """.formatted(from)
                 );
             }
@@ -177,18 +177,6 @@ && getDependencies().stream().noneMatch(dep -> dep.getPackageName().equals(packa
         return this;
     }
 
-    /**
-     * Imports a type using an alias from a module only if necessary.
-     * @return Returns the writer.
-     *
-     * @deprecated Use {@link TypeScriptWriter#addImport(String, String, TypeScriptDependency)} addImport}
-     */
-    @Deprecated
-    public TypeScriptWriter addImportUnchecked(String name, String as, String from) {
-        getImportContainer().addImport(name, as, from);
-        return this;
-    }
-
     /**
      * Imports a type using an alias from a module only if necessary.
      * Adds the dependency.