man: remove blank lines in included files

man/lvchange.8_end

@@ -3,4 +3,3 @@
 Change LV permission to read-only:
 .sp
 .B lvchange \-pr vg00/lvol1
-

man/lvconvert.8_end

@@ -1,5 +1,4 @@
 .SH NOTES
-
 This previous command syntax would perform two different operations:
 .br
 \fBlvconvert --thinpool\fP \fILV1\fP \fB--poolmetadata\fP \fILV2\fP
@@ -20,7 +19,6 @@ But, if LV1 was already a cache pool, the command would swap
 the current metadata LV with LV2 (for repair purposes.)
 
 .SH EXAMPLES
-
 Convert a linear LV to a two-way mirror LV.
 .br
 .B lvconvert \-\-type mirror \-\-mirrors 1 vg/lvol1
@@ -113,4 +111,3 @@ Detach and keep the cache pool from a cache LV.
 Detach and remove the cache pool from a cache LV.
 .br
 .B lvconvert \-\-uncache vg/lvol1
-

man/lvcreate.8_des

@@ -25,7 +25,6 @@ Thin LVs are thinly provisioned from a thin pool, and are created with a
 virtual size rather than a physical size. A cache LV is the combination of
 a standard LV with a cache pool, used to cache active portions of the LV
 to improve performance.
-
 .SS Usage notes
 In the usage section below, \fB--size\fP \fISize\fP can be replaced
 with \fB--extents\fP \fINumber\fP.  See both descriptions

man/lvcreate.8_end

@@ -95,4 +95,3 @@ then combining the new origin LV with an existing cache pool.
 .RS
 .B \-L 100G \-n mylv vg00 /dev/slow1
 .RE
-

man/lvextend.8_end

@@ -1,5 +1,4 @@
 .SH EXAMPLES
-
 Extend the size of an LV by 54MiB, using a specific PV.
 .br
 .B lvextend \-L +54 vg01/lvol10 /dev/sdk3
@@ -13,4 +12,3 @@ space on PV /dev/sdk3. This is equivalent to specifying
 Extend an LV by 16MiB using specific physical extents.
 .br
 .B lvextend \-L+16m vg01/lvol01 /dev/sda:8\-9 /dev/sdb:8\-9
-