Docs: initial pruning of outdated versioning info (#95212)
* initial pruning of outdated versioning info * removing erroneous file
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@@ -77,9 +77,7 @@ SELECT hostname FROM host WHERE region IN ($region)
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## Using variables in queries
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> From Grafana 4.3.0 to 4.6.0, template variables are always quoted automatically so if it is a string value do not wrap them in quotes in where clauses.
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>
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> From Grafana 5.0.0, template variable values are only quoted when the template variable is a `multi-value`.
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> Template variable values are only quoted when the template variable is a `multi-value`.
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If the variable is a multi-value variable then use the `IN` comparison operator rather than `=` to match against multiple values.
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