Fix whitespace and remove obsolete gitattributes entry

.gitattributes

@@ -17,7 +17,6 @@ contrib/tsearch2/sql/tsearch2.sql		whitespace=space-before-tab,blank-at-eof,-bla
 contrib/pgcrypto/sql/pgp-armor.sql		whitespace=-blank-at-eol
 doc/bug.template				whitespace=space-before-tab,-blank-at-eof,blank-at-eol
 src/backend/catalog/sql_features.txt		whitespace=space-before-tab,blank-at-eof,-blank-at-eol
-src/backend/tsearch/hunspell_sample.affix	whitespace=-blank-at-eof
 
 # Test output files that contain extra whitespace
 *.out					-whitespace

src/backend/tsearch/dicts/hunspell_sample.affix

@@ -21,4 +21,3 @@ SFX A   Y	IES	[^AEIOU]Y
 
 SFX \ N 1
 SFX \   0	Y/L	[^Y]
-

src/backend/tsearch/dicts/hunspell_sample_long.affix

@@ -32,4 +32,3 @@ SFX sA   Y	IES	[^AEIOU]Y
 
 SFX s\ N 1
 SFX s\   0	Y/2	[^Y]
-

src/backend/tsearch/dicts/hunspell_sample_num.affix

@@ -23,4 +23,3 @@ SFX 304   Y	IES	[^AEIOU]Y
 
 SFX 305 N 1
 SFX 305   0	Y/102	[^Y]
-

src/test/regress/sql/tstypes.sql

@@ -157,4 +157,3 @@ SELECT setweight('a asd w:5,6,12B,13A zxc'::tsvector, 'c', ARRAY['a', 'zxc', NUL
 SELECT filter('base:7A empir:17 evil:15 first:11 galact:16 hidden:6A rebel:1A spaceship:2A strike:3A victori:12 won:9'::tsvector, '{a}');
 SELECT filter('base hidden rebel spaceship strike'::tsvector, '{a}');
 SELECT filter('base hidden rebel spaceship strike'::tsvector, '{a,b,NULL}');
-