remove log4j dependency.

Author: johnsteele

plugins/org.jboss.tools.windup.core/META-INF/MANIFEST.MF

@@ -20,7 +20,6 @@ Require-Bundle: org.eclipse.core.runtime,
  org.eclipse.e4.core.di.annotations,
  org.eclipse.debug.core,
  org.eclipse.jdt.launching,
- org.apache.log4j,
  org.eclipse.e4.core.contexts,
  org.eclipse.e4.core.di,
  com.google.guava,

plugins/org.jboss.tools.windup.runtime/META-INF/MANIFEST.MF

@@ -12,7 +12,6 @@ Require-Bundle: org.eclipse.core.runtime,
  org.eclipse.e4.core.di,
  org.eclipse.e4.core.services,
  org.eclipse.emf.common;bundle-version="2.12.0",
- org.apache.log4j;bundle-version="1.2.15",
  org.eclipse.emf.ecore;bundle-version="2.12.0",
  org.eclipse.jdt.launching,
  org.eclipse.debug.core,

plugins/org.jboss.tools.windup.ui/META-INF/MANIFEST.MF

@@ -31,7 +31,6 @@ Require-Bundle: org.eclipse.ui,
  org.eclipse.jdt.debug.ui,
  org.eclipse.jdt.launching,
  org.eclipse.core.expressions,
- org.apache.log4j,
  org.eclipse.ui.navigator,
  com.google.guava,
  org.eclipse.ui.forms,

tests/org.jboss.tools.windup.ui.tests/META-INF/MANIFEST.MF

@@ -21,7 +21,6 @@ Require-Bundle: org.eclipse.core.runtime,
  org.jboss.tools.windup.core.test,
  org.eclipse.e4.ui.workbench,
  com.google.guava,
- org.apache.log4j,
  org.eclipse.e4.ui.workbench.renderers.swt,
  org.eclipse.swtbot.eclipse.finder,
  org.jboss.tools.windup.ui,