Deleting comments from index.d.ts file in packages/firestore-types (#2371)

Author: Brian Chen

packages/firebase/index.d.ts

@@ -7372,6 +7372,19 @@ declare namespace firebase.firestore {
    * @see https://github.com/google/protobuf/blob/master/src/google/protobuf/timestamp.proto
    */
   export class Timestamp {
+    /**
+     * Creates a new timestamp.
+     *
+     * @param seconds The number of seconds of UTC time since Unix epoch
+     *     1970-01-01T00:00:00Z. Must be from 0001-01-01T00:00:00Z to
+     *     9999-12-31T23:59:59Z inclusive.
+     * @param nanoseconds The non-negative fractions of a second at nanosecond
+     *     resolution. Negative second values with fractions must still have
+     *     non-negative nanoseconds values that count forward in time. Must be
+     *     from 0 to 999,999,999 inclusive.
+     */
+    constructor(seconds: number, nanoseconds: number);
+    
     /**
      * Creates a new timestamp with the current date, with millisecond precision.
      *
@@ -7398,19 +7411,6 @@ declare namespace firebase.firestore {
      */
     static fromMillis(milliseconds: number): Timestamp;
 
-    /**
-     * Creates a new timestamp.
-     *
-     * @param seconds The number of seconds of UTC time since Unix epoch
-     *     1970-01-01T00:00:00Z. Must be from 0001-01-01T00:00:00Z to
-     *     9999-12-31T23:59:59Z inclusive.
-     * @param nanoseconds The non-negative fractions of a second at nanosecond
-     *     resolution. Negative second values with fractions must still have
-     *     non-negative nanoseconds values that count forward in time. Must be
-     *     from 0 to 999,999,999 inclusive.
-     */
-    constructor(seconds: number, nanoseconds: number);
-
     readonly seconds: number;
     readonly nanoseconds: number;