CleanFunctions: Removed deletion of certain file types

A number of file name patterns have been removed from the list of things
that cleanCase deletes. Some patterns related to obsolete files that
OpenFOAM no longer generates, and some were deemed too generic to
delete as they might contain important persistent information.

bin/tools/CleanFunctions

@@ -2,7 +2,7 @@
 # =========                 |
 # \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
 #  \\    /   O peration     | Website:  https://openfoam.org
-#   \\  /    A nd           | Copyright (C) 2011-2018 OpenFOAM Foundation
+#   \\  /    A nd           | Copyright (C) 2011-2020 OpenFOAM Foundation
 #    \\/     M anipulation  |
 #------------------------------------------------------------------------------
 # License
@@ -29,9 +29,10 @@
 #
 #------------------------------------------------------------------------------
 
-cleanTimeDirectories()
+cleanCase()
 {
     echo "Cleaning $PWD case"
+
     zeros=""
     while [ ${#zeros} -lt 8 ]
     do
@@ -39,23 +40,14 @@ cleanTimeDirectories()
         rm -rf ./${timeDir} ./-${timeDir} > /dev/null 2>&1
         zeros="0$zeros"
     done
-    rm -rf ./[1-9]* ./-[1-9]* ./log ./log.* ./log-* ./logSummary.* ./*.xml \
-       ./*.dat ./*.eps ./ParaView* ./paraFoam* ./*.OpenFOAM ./*.blockMesh \
-       ./.setSet > /dev/null 2>&1
-}
 
-cleanDynamicCode()
-{
+    rm -rf ./[1-9]* ./-[1-9]* ./log ./log.* ./logSummary.* \
+        ./*.OpenFOAM ./*.blockMesh ./*.foam ./.setSet > /dev/null 2>&1
+
     if [ -d system -a -d dynamicCode ]
     then
         rm -rf dynamicCode > /dev/null 2>&1
     fi
-}
-
-cleanCase()
-{
-    cleanTimeDirectories
-    cleanDynamicCode
 
     rm -rf processor* > /dev/null 2>&1
     rm -rf jobInfo > /dev/null 2>&1
@@ -102,16 +94,6 @@ removeCase()
     rm -rf $1
 }
 
-cleanSamples()
-{
-    rm -rf ./sets ./samples ./sampleSurfaces > /dev/null 2>&1
-}
-
-cleanUcomponents()
-{
-    rm -rf 0/Ux 0/Uy 0/Uz > /dev/null 2>&1
-}
-
 cleanApplication()
 {
     echo "Cleaning $PWD application"