Delete obsolete files

- Redundant copies of HTML files used in AspectJ installer, which
  already exist as resource files in module 'build'
- Null-sized AspectJ library JARs which probably were used to trigger
  certain build steps in the former Ant build
- BridgeVersion.java.txt, which has been replaced by a regular
  org.aspectj.bridge.Version class which can dynamically determine
  versions from a properties file instead of relying on them being
  hard-coded into the template.

Signed-off-by: Alexander Kriegisch <[email protected]>

bridge/src/main/java/org/aspectj/bridge/Version.java

@@ -23,8 +23,6 @@
 /** release-specific version information */
 public class Version {
 
-    // generated from build/lib/BridgeVersion.java
-
     /** default version value for development version */
     public static final String DEVELOPMENT = "DEVELOPMENT";
     // VersionUptodate.java depends on this value
@@ -115,8 +113,3 @@ public static String getText() {
 		return text;
 	}
 }
-
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