remove duplicated error logging in frontends, as error will be logged by the calling submission

languages/csharp/src/main/java/de/jplag/csharp/CSharpParserAdapter.java

@@ -69,7 +69,6 @@ public class CSharpParserAdapter extends AbstractParser {
                 treeWalker.walk(new CSharpListener(this), parseTree);
             }
         } catch (IOException exception) {
-            logger.error("Parsing Error in '" + file.getName() + "':" + File.separator + exception, exception);
             throw new ParsingException(file, exception.getMessage(), exception);
         }
     }

languages/golang/src/main/java/de/jplag/golang/GoParserAdapter.java

@@ -50,7 +50,6 @@ public class GoParserAdapter extends AbstractParser {
                 treeWalker.walk(listener, parseTree);
             }
         } catch (IOException exception) {
-            logger.error("Parsing Error in '%s':".formatted(file.getName()), exception);
             throw new ParsingException(file, exception.getMessage(), exception);
         }
     }

languages/java/src/main/java/de/jplag/java/JavacAdapter.java

@@ -53,7 +53,6 @@ public class JavacAdapter {
                 parser.add(Token.fileEnd(file));
             }
         } catch (IOException exception) {
-            parser.logger.error(exception.getMessage(), exception);
             throw new ParsingException(null, exception.getMessage(), exception);
         }
         processErrors(parser.logger, listener);

languages/kotlin/src/main/java/de/jplag/kotlin/KotlinParserAdapter.java

@@ -61,7 +61,6 @@ public class KotlinParserAdapter extends AbstractParser {
                 treeWalker.walk(listener, parseTree);
             }
         } catch (IOException exception) {
-            logger.error("Parsing Error in '{}': {}{}", file.getName(), File.separator, exception);
             throw new ParsingException(file, exception.getMessage(), exception);
         }
     }

languages/python-3/src/main/java/de/jplag/python3/Parser.java

@@ -70,7 +70,6 @@ public class Parser extends AbstractParser {
             }
 
         } catch (IOException e) {
-            logger.error("Parsing Error in '" + file + "': " + e.getMessage(), e);
             throw new ParsingException(file, e.getMessage(), e);
         }
     }

languages/rlang/src/main/java/de/jplag/rlang/RParserAdapter.java

@@ -75,7 +75,6 @@ public class RParserAdapter extends AbstractParser {
                 treeWalker.walk(new JPlagRListener(this), parseTree);
             }
         } catch (IOException exception) {
-            logger.error("Parsing Error in '" + file.getName() + "': " + File.separator + exception.getMessage(), exception);
             throw new ParsingException(file, exception.getMessage(), exception);
         }
     }

languages/rust/src/main/java/de/jplag/rust/RustParserAdapter.java

@@ -58,7 +58,6 @@ public class RustParserAdapter extends AbstractParser {
                 treeWalker.walk(new JPlagRustListener(this), parseTree);
             }
         } catch (IOException exception) {
-            logger.error("Parsing Error in '" + file.getName() + "':" + File.separator, exception);
             throw new ParsingException(file, exception.getMessage(), exception);
         }
     }

languages/text/src/main/java/de/jplag/text/ParserAdapter.java

@@ -102,7 +102,6 @@ public class ParserAdapter extends AbstractParser {
         try {
             return Files.readString(file.toPath());
         } catch (IOException e) {
-            logger.error("Error reading from file {}", file.getName(), e);
             throw new ParsingException(file, e.getMessage(), e);
         }
     }