Reset .lint configuration to master branch version

Author: postnati

squid-mixin/.lint

@@ -1,14 +1,10 @@
 exclusions:
-  template-job-rule:
-    reason: "Prometheus datasource variable is being named as prometheus_datasource now while linter expects 'datasource'"
-  panel-datasource-rule:
-    reason: "Modern mixins use signal-based architecture where datasource references are handled by the framework"
-  template-datasource-rule:
-    reason: "Based on new convention we are using variable names prometheus_datasource and loki_datasource where as linter expects 'datasource'"
-  template-instance-rule:
-    reason: "Based on new convention we are using variable names prometheus_datasource and loki_datasource where as linter expects 'datasource'"
   panel-units-rule:
     reason: "Custom units are used for better user experience in these panels"
     entries:
       - panel: "Client request errors"
       - panel: "Server request errors"
+  template-datasource-rule:
+    reason: "Based on new convention we are using variable names prometheus_datasource and loki_datasource where as linter expects 'datasource'"
+  template-instance-rule:
+    reason: "Based on new convention we are using variable names prometheus_datasource and loki_datasource where as linter expects 'datasource'"