Revert https://codereview.chromium.org/1291903002 (protobuf roll).

third_party/protobuf/objectivec/google/protobuf/Timestamp.pbobjc.h

Index: third_party/protobuf/objectivec/google/protobuf/Timestamp.pbobjc.h
diff --git a/third_party/protobuf/objectivec/google/protobuf/Timestamp.pbobjc.h b/third_party/protobuf/objectivec/google/protobuf/Timestamp.pbobjc.h
deleted file mode 100644
index 0b3421566f0f6a269e3d0ab03e0056aa0a83539d..0000000000000000000000000000000000000000
--- a/third_party/protobuf/objectivec/google/protobuf/Timestamp.pbobjc.h
+++ /dev/null
@@ -1,105 +0,0 @@
-// Generated by the protocol buffer compiler.  DO NOT EDIT!
-// source: google/protobuf/timestamp.proto
-
-#import "GPBProtocolBuffers.h"
-
-#if GOOGLE_PROTOBUF_OBJC_GEN_VERSION != 30000
-#error This file was generated by a different version of protoc-gen-objc which is incompatible with your Protocol Buffer sources.
-#endif
-
-// @@protoc_insertion_point(imports)
-
-CF_EXTERN_C_BEGIN
-
-NS_ASSUME_NONNULL_BEGIN
-
-#pragma mark - GPBTimestampRoot
-
-@interface GPBTimestampRoot : GPBRootObject
-
-// The base class provides:
-//   + (GPBExtensionRegistry *)extensionRegistry;
-// which is an GPBExtensionRegistry that includes all the extensions defined by
-// this file and all files that it depends on.
-
-@end
-
-#pragma mark - GPBTimestamp
-
-typedef GPB_ENUM(GPBTimestamp_FieldNumber) {
-  GPBTimestamp_FieldNumber_Seconds = 1,
-  GPBTimestamp_FieldNumber_Nanos = 2,
-};
-
-// A Timestamp represents a point in time independent of any time zone
-// or calendar, represented as seconds and fractions of seconds at
-// nanosecond resolution in UTC Epoch time. It is encoded using the
-// Proleptic Gregorian Calendar which extends the Gregorian calendar
-// backwards to year one. It is encoded assuming all minutes are 60
-// seconds long, i.e. leap seconds are "smeared" so that no leap second
-// table is needed for interpretation. Range is from
-// 0001-01-01T00:00:00Z to 9999-12-31T23:59:59.999999999Z.
-// By restricting to that range, we ensure that we can convert to
-// and from  RFC 3339 date strings.
-// See [https://www.ietf.org/rfc/rfc3339.txt](https://www.ietf.org/rfc/rfc3339.txt).
-//
-// Example 1: Compute Timestamp from POSIX `time()`.
-//
-//     Timestamp timestamp;
-//     timestamp.set_seconds(time(NULL));
-//     timestamp.set_nanos(0);
-//
-// Example 2: Compute Timestamp from POSIX `gettimeofday()`.
-//
-//     struct timeval tv;
-//     gettimeofday(&tv, NULL);
-//
-//     Timestamp timestamp;
-//     timestamp.set_seconds(tv.tv_sec);
-//     timestamp.set_nanos(tv.tv_usec * 1000);
-//
-// Example 3: Compute Timestamp from Win32 `GetSystemTimeAsFileTime()`.
-//
-//     FILETIME ft;
-//     GetSystemTimeAsFileTime(&ft);
-//     UINT64 ticks = (((UINT64)ft.dwHighDateTime) << 32) | ft.dwLowDateTime;
-//
-//     // A Windows tick is 100 nanoseconds. Windows epoch 1601-01-01T00:00:00Z
-//     // is 11644473600 seconds before Unix epoch 1970-01-01T00:00:00Z.
-//     Timestamp timestamp;
-//     timestamp.set_seconds((INT64) ((ticks / 10000000) - 11644473600LL));
-//     timestamp.set_nanos((INT32) ((ticks % 10000000) * 100));
-//
-// Example 4: Compute Timestamp from Java `System.currentTimeMillis()`.
-//
-//     long millis = System.currentTimeMillis();
-//
-//     Timestamp timestamp = Timestamp.newBuilder().setSeconds(millis / 1000)
-//         .setNanos((int) ((millis % 1000) * 1000000)).build();
-//
-// Example 5: Compute Timestamp from Python `datetime.datetime`.
-//
-//     now = datetime.datetime.utcnow()
-//     seconds = int(time.mktime(now.timetuple()))
-//     nanos = now.microsecond * 1000
-//     timestamp = Timestamp(seconds=seconds, nanos=nanos)
-@interface GPBTimestamp : GPBMessage
-
-// Represents seconds of UTC time since Unix epoch
-// 1970-01-01T00:00:00Z. Must be from from 0001-01-01T00:00:00Z to
-// 9999-12-31T23:59:59Z inclusive.
-@property(nonatomic, readwrite) int64_t seconds;
-
-// Non-negative fractions of a second at nanosecond resolution. Negative
-// second values with fractions must still have non-negative nanos values
-// that count forward in time. Must be from 0 to 999,999,999
-// inclusive.
-@property(nonatomic, readwrite) int32_t nanos;
-
-@end
-
-NS_ASSUME_NONNULL_END
-
-CF_EXTERN_C_END
-
-// @@protoc_insertion_point(global_scope)