fix: input show-word-limit default false (#1203)

src/packages/__VUE/input/index.taro.vue

@@ -250,7 +250,7 @@ export default create({
     },
     showWordLimit: {
       type: Boolean,
-      default: true
+      default: false
     },
     autofocus: {
       type: Boolean,

src/packages/__VUE/input/index.vue

@@ -250,7 +250,7 @@ export default create({
     },
     showWordLimit: {
       type: Boolean,
-      default: true
+      default: false
     },
     autofocus: {
       type: Boolean,