Fix some compile warnings

Author: travkin79

com.microsoft.copilot.eclipse.terminal.api/build.properties

@@ -1,5 +1,4 @@
 source.. = src/
-output.. = bin/
 bin.includes = META-INF/,\
                .,\
                scripts/

com.microsoft.copilot.eclipse.ui.jobs/.settings/org.eclipse.jdt.core.prefs

@@ -4,7 +4,7 @@ org.eclipse.jdt.core.compiler.compliance=17
 org.eclipse.jdt.core.compiler.problem.assertIdentifier=error
 org.eclipse.jdt.core.compiler.problem.enablePreviewFeatures=disabled
 org.eclipse.jdt.core.compiler.problem.enumIdentifier=error
-org.eclipse.jdt.core.compiler.problem.forbiddenReference=warning
+org.eclipse.jdt.core.compiler.problem.forbiddenReference=error
 org.eclipse.jdt.core.compiler.problem.reportPreviewFeatures=warning
 org.eclipse.jdt.core.compiler.release=enabled
 org.eclipse.jdt.core.compiler.source=17

com.microsoft.copilot.eclipse.ui.jobs/build.properties

@@ -1,5 +1,4 @@
 source.. = src/
-output.. = bin/
 bin.includes = META-INF/,\
                .,\
                plugin.xml,\