Fix whitespace and remove obsolete gitattributes entry

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/backend/tsearch/spell.c

@@ -1177,7 +1177,7 @@ NIImportOOAffixes(IspellDict *Conf, const char *filename)
 					ereport(ERROR,
 						(errcode(ERRCODE_CONFIG_FILE_ERROR),
 						 errmsg("Ispell dictionary supports only default, "
-						 		"long and num flag value")));
+								"long and num flag value")));
 			}
 		}