Remove forum.i2p links

INSTALL-headless.txt

README.txt

...2psnark/java/src/org/klomp/snark/web/I2PSnarkServlet.java

apps/i2psnark/readme-standalone.txt

...routerconsole/java/src/net/i2p/router/web/HomeHelper.java

apps/routerconsole/jsp/help.jsi

apps/routerconsole/jsp/help_ar.jsp

apps/routerconsole/jsp/help_fr.jsp

apps/routerconsole/jsp/help_nl.jsp

apps/routerconsole/jsp/help_ru.jsp

installer/resources/readme/readme.html

installer/resources/readme/readme_ar.html

installer/resources/readme/readme_de.html

installer/resources/readme/readme_es.html

installer/resources/readme/readme_fr.html

installer/resources/readme/readme_nl.html

installer/resources/readme/readme_pt.html

installer/resources/readme/readme_ru.html

installer/resources/readme/readme_sv.html

installer/resources/readme/readme_zh.html