Drop extra spaces in TextInput JS doc (#41156)

Summary:
Pull Request resolved: https://github.com/facebook/react-native/pull/41156

Minor update to the `TextInput` JS doc.

Changelog: [Internal]

Reviewed By: rshest

Differential Revision: D50551342

fbshipit-source-id: 1334815aa355ae2914e0c4c198f22c11de595d55

packages/react-native/Libraries/Components/TextInput/TextInput.js

@@ -1043,8 +1043,8 @@ const emptyFunctionThatReturnsTrue = () => true;
  *     return (
  *       <TextInput
  *         {...this.props} // Inherit any props passed to it; e.g., multiline, numberOfLines below
- *         editable = {true}
- *         maxLength = {40}
+ *         editable={true}
+ *         maxLength={40}
  *       />
  *     );
  *   }
@@ -1068,8 +1068,8 @@ const emptyFunctionThatReturnsTrue = () => true;
  *        borderBottomWidth: 1 }}
  *      >
  *        <UselessTextInput
- *          multiline = {true}
- *          numberOfLines = {4}
+ *          multiline={true}
+ *          numberOfLines={4}
  *          onChangeText={(text) => this.setState({text})}
  *          value={this.state.text}
  *        />