[fix] Line info missing from OpenTelemetry output

Previous code was a vestigial leftover from when signals
had {:line <num> :column <num> ...} rather than
{:coords [<line-num> <column-num>] ...}

main/src/taoensso/telemere/open_telemetry.clj

@@ -220,14 +220,14 @@
       (if (or common-attrs trace-attrs)
         (let [ab (Attributes/builder)]
           (when-let [ns   (get         signal :ns)]         (.put ab "ns"   (str  ns)))
-          (when-let [line (get signal :line)]  (.put ab "line" (long line)))
+          (when-let [line (enc/get-in* signal [:coords 0])] (.put ab "line" (long line)))
           (when-let [attrs common-attrs] (put-attrs! ab attrs))
           (when-let [attrs  trace-attrs] (put-attrs! ab attrs))
           (.build ab))
 
         ;; Common case
         (when-let [ns   (get         signal :ns)]
-          (if-let [line (get signal :line)]
+          (if-let [line (enc/get-in* signal [:coords 0])]
             (Attributes/of ak-ns ns, ak-line (long line))
             (Attributes/of ak-ns ns)))))))
 

main/src/taoensso/telemere/timbre.cljc

@@ -200,9 +200,8 @@
           :ctx+  context
 
           :ns     ?ns-str
-          :file   ?file
+          :coords (when ?line [?line ?column])
-          :line   ?line
+          :file   ?file ; Non-standard, goes to kvs
-          :column ?column
 
           :error  ?err
           :msg    (force output_)})))})