General cleanup

src/checkstyle/com/puppycrawl/tools/checkstyle/filters/CSVFilter.java

@@ -120,8 +120,6 @@ class CSVFilter implements IntFilter
             final CSVFilter other = (CSVFilter) aObject;
             return this.mFilters.equals(other.mFilters);
         }
-        else {
-            return false;
-        }
+        return false;
     }
 }

src/checkstyle/com/puppycrawl/tools/checkstyle/filters/IntMatchFilter.java

@@ -61,8 +61,6 @@ class IntMatchFilter implements IntFilter
             final IntMatchFilter other = (IntMatchFilter) aObject;
             return (this.mMatchValue).equals(other.mMatchValue);
         }
-        else {
-            return false;
-        }
+        return false;
     }
 }

src/checkstyle/com/puppycrawl/tools/checkstyle/filters/IntRangeFilter.java

@@ -66,9 +66,7 @@ class IntRangeFilter implements IntFilter
             return (this.mLowerBound.equals(other.mLowerBound)
                 && this.mUpperBound.equals(other.mUpperBound));
         }
-        else {
-            return false;
-        }
+        return false;
     }
     /** @see java.lang.Object#toString() */
     public String toString()

src/checkstyle/com/puppycrawl/tools/checkstyle/filters/SeverityMatchFilter.java

@@ -68,8 +68,6 @@ public class SeverityMatchFilter
         if (mAcceptOnMatch) {
             return result;
         }
-        else {
-            return !result;
-        }
+        return !result;
     }
 }

src/checkstyle/com/puppycrawl/tools/checkstyle/filters/SuppressElement.java

@@ -209,8 +209,6 @@ public class SuppressElement
             // everything is the same
             return true;
         }
-        else {
-            return false;
-        }
+        return false;
     }
 }

src/checkstyle/com/puppycrawl/tools/checkstyle/filters/SuppressionFilter.java

@@ -74,8 +74,6 @@ public class SuppressionFilter
             final SuppressionFilter other = (SuppressionFilter) aObject;
             return this.mFilters.equals(other.mFilters);
         }
-        else {
-            return false;
-        }
+        return false;
     }
 }