templates: Unify PV name prefixes, remove "Host"

The difference between host IOCs and embedded ones does not
justify having a different prefix.

src/template/base/Makefile

@@ -30,7 +30,6 @@ TEMPLATES += top/exampleApp/Db/dbExample1.db
 TEMPLATES += top/exampleApp/Db/dbExample2.db
 TEMPLATES += top/exampleApp/Db/dbSubExample.db
 TEMPLATES += top/exampleApp/Db/user.substitutions
-TEMPLATES += top/exampleApp/Db/userHost.substitutions
 TEMPLATES += top/exampleApp/src/Makefile
 TEMPLATES += top/exampleApp/src/xxxRecord.dbd
 TEMPLATES += top/exampleApp/src/xxxRecord.c

src/template/base/top/exampleApp/Db/Makefile

@@ -14,7 +14,6 @@ DB += dbExample1.db
 DB += dbExample2.db
 DB += dbSubExample.db
 DB += user.substitutions
-DB += userHost.substitutions
 
 #----------------------------------------------------
 # If <anyname>.db template is not named <anyname>*.template add

src/template/base/top/exampleApp/Db/userHost.substitutions

@@ -1,12 +0,0 @@
-# Example substitutions file
-
-file "db/dbExample1.db" {
-    { user = "_USER_Host" }
-}
-
-file db/dbExample2.db {
-    pattern { user, no, scan }
-        { "_USER_Host", 1, "1 second" }
-        { "_USER_Host", 2, "2 second" }
-        { "_USER_Host", 3, "5 second" }
-}

src/template/base/top/exampleBoot/ioc/st.cmd@Common

@@ -12,8 +12,8 @@ dbLoadDatabase "dbd/_APPNAME_.dbd"
 _CSAFEAPPNAME__registerRecordDeviceDriver pdbbase
 
 ## Load record instances
-dbLoadTemplate "db/userHost.substitutions"
-dbLoadRecords "db/dbSubExample.db", "user=_USER_Host"
+dbLoadTemplate "db/user.substitutions"
+dbLoadRecords "db/dbSubExample.db", "user=_USER_"
 
 ## Set this to see messages from mySub
 #var mySubDebug 1
@@ -25,4 +25,4 @@ cd "${TOP}/iocBoot/${IOC}"
 iocInit
 
 ## Start any sequence programs
-#seq sncExample, "user=_USER_Host"
+#seq sncExample, "user=_USER_"

src/template/base/top/iocBoot/ioc/st.cmd@Common

@@ -12,10 +12,10 @@ dbLoadDatabase "dbd/_APPNAME_.dbd"
 _CSAFEAPPNAME__registerRecordDeviceDriver pdbbase
 
 ## Load record instances
-#dbLoadRecords("db/xxx.db","user=_USER_Host")
+#dbLoadRecords("db/xxx.db","user=_USER_")
 
 cd "${TOP}/iocBoot/${IOC}"
 iocInit
 
 ## Start any sequence programs
-#seq sncxxx,"user=_USER_Host"
+#seq sncxxx,"user=_USER_"