Change @kind to 'table' for test and sanity checks queries that don't select problems

cpp/ql/src/semmle/code/cpp/ASTSanity.ql

@@ -1,7 +1,7 @@
 /**
  * @name AST Sanity Check
  * @description Performs sanity checks on the Abstract Syntax Tree. This query should have no results. 
- * @kind problem
+ * @kind table
  * @id cpp/ast-sanity-check
  */
 

cpp/ql/src/semmle/code/cpp/ir/IRSanity.ql

@@ -1,7 +1,7 @@
 /**
  * @name IR Sanity Check
  * @description Performs sanity checks on the Intermediate Representation. This query should have no results. 
- * @kind problem
+ * @kind table
  * @id cpp/ir-sanity-check
  */
 

cpp/ql/src/semmle/code/cpp/ir/implementation/aliased_ssa/IRSanity.ql

@@ -1,7 +1,7 @@
 /**
  * @name Aliased SSA IR Sanity Check
  * @description Performs sanity checks on the Intermediate Representation. This query should have no results. 
- * @kind problem
+ * @kind table
  * @id cpp/aliased-ssa-ir-sanity-check
  */
 

cpp/ql/src/semmle/code/cpp/ir/implementation/raw/IRSanity.ql

@@ -1,7 +1,7 @@
 /**
  * @name Raw IR Sanity Check
  * @description Performs sanity checks on the Intermediate Representation. This query should have no results. 
- * @kind problem
+ * @kind table
  * @id cpp/raw-ir-sanity-check
  */
 

cpp/ql/src/semmle/code/cpp/ir/implementation/unaliased_ssa/IRSanity.ql

@@ -1,7 +1,7 @@
 /**
  * @name SSA IR Sanity Check
  * @description Performs sanity checks on the Intermediate Representation. This query should have no results. 
- * @kind problem
+ * @kind table
  * @id cpp/ssa-ir-sanity-check
  */
 

cpp/ql/src/semmle/code/cpp/padding/SanityCheck.ql

@@ -1,7 +1,7 @@
 /**
  * @name Padding Sanity Check
  * @description Performs sanity checks for the padding library. This query should have no results. 
- * @kind problem
+ * @kind table
  * @id cpp/padding-sanity-check
  */