Do not warn about non-translated strings in the http library

The strings here are for machine-to-machine communications.

Change-Id: Ia0d19fce3d9843d18d329d9bc5b10d62c4125db8

org.eclipse.jgit.http.server/.settings/org.eclipse.jdt.core.prefs

@@ -60,7 +60,7 @@ org.eclipse.jdt.core.compiler.problem.missingSerialVersion=warning
 org.eclipse.jdt.core.compiler.problem.missingSynchronizedOnInheritedMethod=ignore
 org.eclipse.jdt.core.compiler.problem.noEffectAssignment=error
 org.eclipse.jdt.core.compiler.problem.noImplicitStringConversion=error
-org.eclipse.jdt.core.compiler.problem.nonExternalizedStringLiteral=warning
+org.eclipse.jdt.core.compiler.problem.nonExternalizedStringLiteral=ignore
 org.eclipse.jdt.core.compiler.problem.nullAnnotationInferenceConflict=error
 org.eclipse.jdt.core.compiler.problem.nullReference=error
 org.eclipse.jdt.core.compiler.problem.nullSpecViolation=error