Remove excessively backpatched gitignore files

These caused directories from future releases to appear in the
backbranch tree.

diff --git a/contrib/btree_gin/.gitignore b/contrib/btree_gin/.gitignore
deleted file mode 100644 (file)
index c3ce67c..0000000
--- a/contrib/btree_gin/.gitignore
+++ /dev/null
@@ -1 +0,0 @@
-/btree_gin.sql

diff --git a/contrib/citext/.gitignore b/contrib/citext/.gitignore
deleted file mode 100644 (file)
index 3f449cf..0000000
--- a/contrib/citext/.gitignore
+++ /dev/null
@@ -1 +0,0 @@
-/citext.sql

diff --git a/contrib/pg_archivecleanup/.gitignore b/contrib/pg_archivecleanup/.gitignore
deleted file mode 100644 (file)
index 8040890..0000000
--- a/contrib/pg_archivecleanup/.gitignore
+++ /dev/null
@@ -1 +0,0 @@
-/pg_archivecleanup

diff --git a/contrib/pg_stat_statements/.gitignore b/contrib/pg_stat_statements/.gitignore
deleted file mode 100644 (file)
index 2ca3f06..0000000
--- a/contrib/pg_stat_statements/.gitignore
+++ /dev/null
@@ -1 +0,0 @@
-/pg_stat_statements.sql

diff --git a/contrib/pg_upgrade/.gitignore b/contrib/pg_upgrade/.gitignore
deleted file mode 100644 (file)
index 03ec737..0000000
--- a/contrib/pg_upgrade/.gitignore
+++ /dev/null
@@ -1 +0,0 @@
-/pg_upgrade

diff --git a/contrib/unaccent/.gitignore b/contrib/unaccent/.gitignore
deleted file mode 100644 (file)
index 30a8749..0000000
--- a/contrib/unaccent/.gitignore
+++ /dev/null
@@ -1 +0,0 @@
-/unaccent.sql