Fixed no-param-reassign converter to not have prefix (#1016)

* Fixed no-param-reassign converter to not have prefix

* Updated test too

Author: Josh Goldberg

src/converters/lintConfigs/rules/ruleConverters/no-parameter-reassignment.ts

@@ -4,7 +4,7 @@ export const convertNoParameterReassignment: RuleConverter = () => {
     return {
         rules: [
             {
-                ruleName: "@typescript-eslint/no-param-reassign",
+                ruleName: "no-param-reassign",
             },
         ],
     };

src/converters/lintConfigs/rules/ruleConverters/tests/no-parameter-reassignment.test.ts

@@ -9,7 +9,7 @@ describe(convertNoParameterReassignment, () => {
         expect(result).toEqual({
             rules: [
                 {
-                    ruleName: "@typescript-eslint/no-param-reassign",
+                    ruleName: "no-param-reassign",
                 },
             ],
         });