Docs - squeue nodecount simplify comment making it more general

%D - Number of nodes is not fully evaluated before the job start. In
real environment when -N is not specified this may be really complicated
so it doesn't make sense to give the really smallest possible number
here for PD job.

Bug 8113

doc/man/man1/squeue.1

-.TH squeue "1" "Slurm Commands" "April 2019" "Slurm Commands"
+.TH squeue "1" "Slurm Commands" "February 2020" "Slurm Commands"
 
 .SH "NAME"
 squeue \- view information about jobs located in the Slurm scheduling queue.
@@ -198,9 +198,8 @@ Number of nodes allocated to the job or the minimum number of nodes
 required by a pending job. The actual number of nodes allocated to a pending
 job may exceed this number if the job specified a node range count (e.g.
 minimum and maximum node counts) or the job specifies a processor
-count instead of a node count and the cluster contains nodes with varying
-processor counts. As a job is completing this number will reflect the
-current number of nodes allocated.
+count instead of a node count. As a job is completing this number will reflect
+the current number of nodes allocated.
 (Valid for jobs only)
 .TP
 \fB%e\fR
@@ -716,9 +715,8 @@ Number of nodes allocated to the job or the minimum number of nodes
 required by a pending job. The actual number of nodes allocated to a pending
 job may exceed this number if the job specified a node range count (e.g.
 minimum and maximum node counts) or the job specifies a processor
-count instead of a node count and the cluster contains nodes with varying
-processor counts. As a job is completing this number will reflect the
-current number of nodes allocated.
+count instead of a node count. As a job is completing this number will reflect
+the current number of nodes allocated.
 (Valid for jobs only)
 .TP
 \fBnumtasks\fR