Made libPtr param const. Doesn't get modified so why not.

Also removed some unneccessary code (for now)

--HG--
extra : convert_revision : svn%3A39bc706e-5318-0410-9160-8a85361fbb7c/trunk%40707

public/IMemoryUtils.h

@@ -46,7 +46,7 @@ namespace SourceMod
 		 * @param len		Size of the pattern in bytes.
 		 * @return			Pointer to pattern found in memory, NULL if not found.
 		 */
-		virtual void *FindPattern(void *libPtr, const char *pattern, size_t len) =0;
+		virtual void *FindPattern(const void *libPtr, const char *pattern, size_t len) =0;
 	};
 }