removed dependency of clip function by stdlib_strings.f90

Author: aman-godara

src/Makefile.manual

@@ -115,6 +115,5 @@ stdlib_stats_distribution_PRNG.o: \
 stdlib_string_type.o: stdlib_ascii.o \
 	stdlib_kinds.o
 stdlib_strings.o: stdlib_ascii.o \
-	stdlib_string_type.o \
-	stdlib_math.o
+	stdlib_string_type.o
 stdlib_math.o: stdlib_kinds.o

src/stdlib_strings.f90

@@ -6,7 +6,6 @@
 module stdlib_strings
     use stdlib_ascii, only : whitespace
     use stdlib_string_type, only : string_type, char, verify
-    use stdlib_math, only: clip
     implicit none
     private
 
@@ -321,7 +320,7 @@ pure function slice_char(string, first, last, stride) result(sliced_string)
         integer :: first_index, last_index, stride_vector, strides_taken, length_string, i, j
         character(len=:), allocatable :: sliced_string
         length_string = len(string)
-        
+
         first_index = 1
         last_index = length_string
         stride_vector = 1