HPCC-31641 Remove old cmake "FindXXX" modules

Signed-off-by: Gordon Smith <[email protected]>

Author: GordonSmith

cmake_modules/commonSetup.cmake

@@ -892,12 +892,7 @@ IF ("${COMMONSETUP_DONE}" STREQUAL "")
       endif(USE_AZURE)
 
       if(USE_MYSQL_REPOSITORY)
-        find_package(MYSQL)
-        if (MYSQL_FOUND)
-          add_definitions (-D_USE_MYSQL_REPOSITORY)
-        else()
-          message(FATAL_ERROR "MYSQL requested but package not found")
-        endif()
+        add_definitions (-D_USE_MYSQL_REPOSITORY)
       else()
         add_definitions (-D_NO_MYSQL_REPOSITORY)
       endif(USE_MYSQL_REPOSITORY)