man5, man6: delete empty dirs

Change-Id: Iff3843740d98f5fb79499d3b6024333361dfe755
Reviewed-on: https://plan9port-review.googlesource.com/2960
Reviewed-by: Russ Cox <rsc@swtch.com>

man/man5/.cvsignore

diff --git a/man/man5/.cvsignore b/man/man5/.cvsignore
deleted file mode 100644
index 2d19fc7..0000000
--- a/man/man5/.cvsignore
+++ /dev/null
@@ -1 +0,0 @@
-*.html

man/man5/INDEX

diff --git a/man/man5/INDEX b/man/man5/INDEX
deleted file mode 100644
index 56cb5d9..0000000
--- a/man/man5/INDEX
+++ /dev/null
@@ -1 +0,0 @@
-[a-z0-9:]* [a-z0-9:]*.[0-9]*

man/man6/.cvsignore

diff --git a/man/man6/.cvsignore b/man/man6/.cvsignore
deleted file mode 100644
index 2d19fc7..0000000
--- a/man/man6/.cvsignore
+++ /dev/null
@@ -1 +0,0 @@
-*.html

man/man6/INDEX

diff --git a/man/man6/INDEX b/man/man6/INDEX
deleted file mode 100644
index 56cb5d9..0000000
--- a/man/man6/INDEX
+++ /dev/null
@@ -1 +0,0 @@
-[a-z0-9:]* [a-z0-9:]*.[0-9]*