Remove unnecessary params from availability queries

Signed-off-by: Diego Giovane Pasqualin <dpasqualin@c3sl.ufpr.br>

web/queries/tlbr/avail/sub_cities.sql

@@ -9,6 +9,5 @@ WHERE
     base_date = (SELECT max(base_date) FROM aggr_availability) AND
     ($1::text IS NULL OR region = $1::text) AND
     ($2::text IS NULL OR state = $2::text) AND
-    ($3::text IS NULL OR city = $3::text)
 GROUP BY
-    city;
\ No newline at end of file
+    city;

web/queries/tlbr/avail/sub_regions.sql

@@ -6,9 +6,6 @@ SELECT
 FROM
     aggr_availability
 WHERE
-    base_date = (SELECT max(base_date) FROM aggr_availability) AND
-    ($1::text IS NULL OR region = $1::text) AND
-    ($2::text IS NULL OR state = $2::text) AND
-    ($3::text IS NULL OR city = $3::text)
+    base_date = (SELECT max(base_date) FROM aggr_availability)
 GROUP BY
-    region;
\ No newline at end of file
+    region;

web/queries/tlbr/avail/sub_states.sql

@@ -8,7 +8,5 @@ FROM
 WHERE
     base_date = (SELECT max(base_date) FROM aggr_availability) AND
     ($1::text IS NULL OR region = $1::text) AND
-    ($2::text IS NULL OR state = $2::text) AND
-    ($3::text IS NULL OR city = $3::text)
 GROUP BY
-    state;
\ No newline at end of file
+    state;

web/queries/tlbr/avail/sub_telecenters.sql

@@ -11,4 +11,4 @@ WHERE
     ($2::text IS NULL OR state = $2::text) AND
     ($3::text IS NULL OR city = $3::text)
 GROUP BY
-    tc_name;
\ No newline at end of file
+    tc_name;