Revert "TEIIDDES-1857: Creates a cross-platform file name validator"

This reverts commit 1cd8d0349e2d0aa5ba909adef4723477b0667fcf.
JBIDE-15386 Resolve values in annotations given by expressions

Implemented resolution of Java expressions for values in annotations and in constants.
Test is added.
JBIDE-15478 - initial implementation

JBIDE-15478 - further cleanup

JBIDE-15478 expanded javadoc

JBIDE-15478 correcting indentation for new class

JBIDE-15478 updates as per requests on PR

JBIDE-15478 changing license on expression resolver to EPL as per dmlloyd's approval (original author)