style: remove redundant PMD exclusions (#7272)

Author: vil02

pmd-exclude.properties

@@ -53,14 +53,11 @@ com.thealgorithms.maths.Gaussian=UselessParentheses
 com.thealgorithms.maths.GcdSolutionWrapper=UselessParentheses
 com.thealgorithms.maths.HeronsFormula=UselessParentheses
 com.thealgorithms.maths.JugglerSequence=UselessMainMethod
-com.thealgorithms.maths.KaprekarNumbers=UselessParentheses
 com.thealgorithms.maths.KeithNumber=UselessMainMethod,UselessParentheses
-com.thealgorithms.maths.LeonardoNumber=UselessParentheses
 com.thealgorithms.maths.LinearDiophantineEquationsSolver=UselessMainMethod,UselessParentheses
 com.thealgorithms.maths.MagicSquare=UselessMainMethod
 com.thealgorithms.maths.PiNilakantha=UselessMainMethod
 com.thealgorithms.maths.Prime.PrimeCheck=UselessMainMethod
-com.thealgorithms.maths.PythagoreanTriple=UselessMainMethod
 com.thealgorithms.maths.RomanNumeralUtil=UselessParentheses
 com.thealgorithms.maths.SecondMinMax=UselessParentheses
 com.thealgorithms.maths.SecondMinMaxTest=UnnecessaryFullyQualifiedName
@@ -71,19 +68,16 @@ com.thealgorithms.maths.TrinomialTriangle=UselessMainMethod,UselessParentheses
 com.thealgorithms.maths.VectorCrossProduct=UselessMainMethod
 com.thealgorithms.maths.Volume=UselessParentheses
 com.thealgorithms.matrix.RotateMatrixBy90Degrees=UselessMainMethod
-com.thealgorithms.misc.Sparsity=UselessParentheses
 com.thealgorithms.others.BankersAlgorithm=UselessMainMethod
 com.thealgorithms.others.BrianKernighanAlgorithm=UselessMainMethod
 com.thealgorithms.others.CRC16=UselessMainMethod,UselessParentheses
 com.thealgorithms.others.CRC32=UselessMainMethod
 com.thealgorithms.others.Damm=UnnecessaryFullyQualifiedName,UselessMainMethod
 com.thealgorithms.others.Dijkstra=UselessMainMethod
 com.thealgorithms.others.GaussLegendre=UselessMainMethod
-com.thealgorithms.others.HappyNumbersSeq=UselessMainMethod
 com.thealgorithms.others.Huffman=UselessMainMethod
 com.thealgorithms.others.InsertDeleteInArray=UselessMainMethod
 com.thealgorithms.others.KochSnowflake=UselessMainMethod
-com.thealgorithms.others.Krishnamurthy=UselessMainMethod
 com.thealgorithms.others.LinearCongruentialGenerator=UselessMainMethod
 com.thealgorithms.others.Luhn=UnnecessaryFullyQualifiedName,UselessMainMethod
 com.thealgorithms.others.Mandelbrot=UselessMainMethod,UselessParentheses
@@ -94,7 +88,6 @@ com.thealgorithms.others.PerlinNoise=UselessMainMethod,UselessParentheses
 com.thealgorithms.others.QueueUsingTwoStacks=UselessParentheses
 com.thealgorithms.others.Trieac=UselessMainMethod,UselessParentheses
 com.thealgorithms.others.Verhoeff=UnnecessaryFullyQualifiedName,UselessMainMethod
-com.thealgorithms.puzzlesandgames.Sudoku=UselessMainMethod
 com.thealgorithms.recursion.DiceThrower=UselessMainMethod
 com.thealgorithms.searches.HowManyTimesRotated=UselessMainMethod
 com.thealgorithms.searches.InterpolationSearch=UselessParentheses
@@ -108,15 +101,11 @@ com.thealgorithms.sorts.MergeSortNoExtraSpace=UselessParentheses
 com.thealgorithms.sorts.RadixSort=UselessParentheses
 com.thealgorithms.sorts.TreeSort=UselessMainMethod
 com.thealgorithms.sorts.WiggleSort=UselessParentheses
-com.thealgorithms.stacks.LargestRectangle=UselessMainMethod
 com.thealgorithms.stacks.MaximumMinimumWindow=UselessMainMethod
 com.thealgorithms.stacks.PostfixToInfix=UselessParentheses
-com.thealgorithms.strings.Alphabetical=UselessMainMethod
 com.thealgorithms.strings.HorspoolSearch=UnnecessaryFullyQualifiedName,UselessParentheses
-com.thealgorithms.strings.KMP=UselessMainMethod
 com.thealgorithms.strings.Lower=UselessMainMethod
 com.thealgorithms.strings.Palindrome=UselessParentheses
 com.thealgorithms.strings.Pangram=UselessMainMethod
-com.thealgorithms.strings.RabinKarp=UselessMainMethod
 com.thealgorithms.strings.Rotation=UselessMainMethod
 com.thealgorithms.strings.Upper=UselessMainMethod