Reverting the carbon kernel version back to 4.4.3

pom.xml

@@ -1739,7 +1739,7 @@
 
     <properties>
         <testng.version>6.1.1</testng.version>
-        <carbon.kernel.version>4.4.7</carbon.kernel.version>
+        <carbon.kernel.version>4.4.3</carbon.kernel.version>
         <carbon.kernel.version.range>[4.4.0, 5.0.0)</carbon.kernel.version.range>
         <carbon.p2.plugin.version>1.5.4</carbon.p2.plugin.version>
         <maven-buildnumber-plugin.version>1.3</maven-buildnumber-plugin.version>