remove unused 'rname' variables from OperatorMsg

Signed-off-by: Jeremiah Corrado <jeremiah.corrado@hpe.com>

src/BinOp.chpl

@@ -62,9 +62,6 @@ module BinOp
   :arg op: string representation of binary operation to execute
   :type op: string
 
-  :arg rname: name of the `e` in the symbol table
-  :type rname: string
-
   :arg pn: routine name of callsite function
   :type pn: string
 

src/OperatorMsg.chpl

@@ -27,7 +27,7 @@ module OperatorMsg
       Parse and respond to binopvv message.
       vv == vector op vector
 
-      :arg reqMsg: request containing (cmd,op,aname,bname,rname)
+      :arg reqMsg: request containing (cmd,op,aname,bname)
       :type reqMsg: string 
 
       :arg st: SymTab to act on
@@ -71,8 +71,6 @@ module OperatorMsg
         realOps.add("/");
         realOps.add("//");
 
-        const rname = st.nextName();
-
         if binop_dtype_a == int && binop_dtype_b == int {
           if boolOps.contains(op) {
             return doBinOpvv(l, r, bool, op, pn, st);
@@ -240,8 +238,6 @@ module OperatorMsg
              "cmd: %? op: %? left pdarray: %? scalar: %?".format(
                                           cmd,op,st.attrib(msgArgs['a'].val), val));
 
-        const rname = st.nextName();
-
         use Set;
         // This boolOps set is a filter to determine the output type for the operation.
         // All operations that involve one of these operations result in a `bool` symbol
@@ -1053,7 +1049,7 @@ module OperatorMsg
       Parse and respond to opeqvs message.
       vector op= scalar
 
-      :arg reqMsg: request containing (cmd,op,aname,bname,rname)
+      :arg reqMsg: request containing (cmd,op,aname,bname)
       :type reqMsg: string
 
       :arg st: SymTab to act on