PARQUET-1625: Align Bloom filter definition in parquet thrift with its spec (#145)

diff --git a/src/main/thrift/parquet.thrift b/src/main/thrift/parquet.thrift
index 231705f..5bf3b7f 100644
--- a/src/main/thrift/parquet.thrift
+++ b/src/main/thrift/parquet.thrift
@@ -482,7 +482,6 @@
   INDEX_PAGE = 1;
   DICTIONARY_PAGE = 2;
   DATA_PAGE_V2 = 3;
-  BLOOM_FILTER_PAGE = 4;
 }
 
 /**
@@ -587,7 +586,7 @@
   * Bloom filter header is stored at beginning of Bloom filter data of each column
   * and followed by its bitset.
   **/
-struct BloomFilterPageHeader {
+struct BloomFilterHeader {
   /** The size of bitset in bytes **/
   1: required i32 numBytes;
   /** The algorithm for setting bits. **/
@@ -637,7 +636,6 @@
   6: optional IndexPageHeader index_page_header;
   7: optional DictionaryPageHeader dictionary_page_header;
   8: optional DataPageHeaderV2 data_page_header_v2;
-  9: optional BloomFilterPageHeader bloom_filter_page_header;
 }
 
 /**