Remove redundant null check

Already covered by instanceOf check

Change-Id: I1c2f70d03c2e35f2a967471168ffe6dd5d122c87
Signed-off-by: Alexander Kurtakov <akurtako@redhat.com>
Reviewed-on: https://git.eclipse.org/r/c/platform/eclipse.platform.ua/+/187704

org.eclipse.help.base/src/org/eclipse/help/internal/base/BaseHelpSystem.java

diff --git a/org.eclipse.help.base/src/org/eclipse/help/internal/base/BaseHelpSystem.java b/org.eclipse.help.base/src/org/eclipse/help/internal/base/BaseHelpSystem.java
index 729a1b2..243ac60 100644
--- a/org.eclipse.help.base/src/org/eclipse/help/internal/base/BaseHelpSystem.java
+++ b/org.eclipse.help.base/src/org/eclipse/help/internal/base/BaseHelpSystem.java
@@ -325,7 +325,7 @@
 			Class<?> c = bundle.loadClass(className);
 			Object o = c.getDeclaredConstructor().newInstance();
 			//Runnable runnable = null;
-			if (o != null && o instanceof ILiveHelpAction) {
+			if (o instanceof ILiveHelpAction) {
 				ILiveHelpAction helpExt = (ILiveHelpAction) o;
 				if (arg != null)
 					helpExt.setInitializationString(arg);
@@ -352,7 +352,7 @@
 	/**
 	 * Check supplied token against stored token. Clears the stored token if
 	 * successful.
-	 * 
+	 *
 	 * @param helpSessionToken
 	 * @return true if match successful
 	 */